Individual Study / QLSCD

Québec Longitudinal Study of Child Development
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Québec Longitudinal Study of Child Development

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Networks -
Datasets -
Variables -
Start Year
1996
Supplementary Information
QLSCD 1 - Cohort 1998: Questionnaires available here
QLSCD 2 - Cohort 2020-2021: Questionnaires soon to be available (in 2022) QLSCD 2 website
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Investigators Contacts
  • Dr. Frank Vitaro
    Université de Montréal
  • Dr. Véronique Dupéré
    Université de Montréal
  • Dr. Élise Ledoux
    Institut de recherche Robert-Sauvé en santé et en sécurité du travail, Université du Québec à Montréal
  • Dr. Bertrand Perron
    Institut de la statistique du Québec
  • Dr. Simon Larose
    Université Laval
  • Dr. Richard E. Tremblay
    Université de Montréal
  • Dr. Michel Boivin
    Université Laval
  • Dr. Lise Dubois
    University of Ottawa
  • Dr. Marie-Claude Geoffroy
    Mcgill University
  • Dr. Jean Séguin
    Université de Montréal
  • Dr. Amélie Quesnel-Vallée
    McGill University
  • Dr. Tamarha Pierce
    Université Laval
  • Nancy Illick
    Institut de la statistique du Québec

Design

Study design
Cohort
Follow Up

QLSCD 1 - Cohort 1996 was followed-up yearly from 5 months to 18 years old.

QLSCD 1 - Cohort 1998 was followed-up yearly from 5 months to about 25 years of age (in 2023), with breaks at ages 9, 11, 14, 16, 18, 20, 22, and 24.

QLSCD 2 - Cohort 2018 was followed-up every year since 2018.

QLSCD 2 - Cohort 2020-2021 was first contacted in March 2021 and is meant to be followed up to adulthood, every year or every two years.

Supplementary Information
QLSCD 1 - Cohort 1998: Other biological samples were collected when the participants were 17 years old.
QLSCD 2 - Cohort 2020-2021 did not collect biological samples.

Marker Paper

Orri M, Boivin M, Chen C et al. Cohort Profile: Quebec Longitudinal Study of Child Development (QLSCD). Social Psychiatry and Psychiatric Epidemiology, 2021;56: 883–894.

PUBMED 33185737

Recruitment

Recruitment Target
  • Individuals

Number of Participants

Number of Participants
7,641
Number of Participants with Biological Samples
1,572
Supplementary Information
QLSCD 1 - Cohort 1996: 572 participants
QLSCD 1 - Cohort 1998: 2,120 participants
QLSCD 2 - Cohort 2018: 449 participants
QLSCD 2 - Cohort 2020-2021: 4,500 participants

Access

Availability of data and biosamples

Possible Access to Data
Possible Access to Biosamples
Other

Availability of access information

By contacting the study representative

Sector of research

Possible Access to Data Possible Access to Biosamples
Investigators from the public sector
Investigators from the private sector
Investigators from not-for-profit organization

Transfer

Possible Access to Data Possible Access to Biosamples
Can leave the study facility
Can leave the country

Cost

Possible Access to Data No Cost
Possible Access to Biosamples Variable Cost

Cost reduction for co-analyses

Possible Access to Data
Possible Access to Biosamples
Yes
No
Not applicable
Don't know

Timeline

Populations

Selection Criteria
Newborns
Twins
Countries
  • Canada
Territory
Quebec
Ethnic Origin
Health Status

  • Some children were excluded because of constraints linked to the sample frame or major health problems, such as premature babies whose gestation lasted less than 24 weeks or more than 42 weeks and babies whose sex was unknown at participant selection.

Other Criteria

Mothers living in the sociosanitary areas 10 (North-of-Quebec), 17 (Cree territory) and 18 (Inuit territory) and mothers living on Indian reserves were excluded.

Minimum age: 59 gestational weeks at the beginning of each collection period at time 1

Maximum age: 60 gestational weeks at the beginning of each collection period at time 1

Supplementary Information about selection criteria

Recruitment

Sources of recruitment
  • General population
General Population
  • Selected sample

Number of Participants

Number of Participants
2,120
Number of Participants with Biological Samples
1,000
Supplementary Information about selection criteria

Data collection 1998: 2,120 participants

Data collection 1999: 2,045 participants

Data collection 2000: 1,997 participants

Data collection 2001: 1,950 participants

Data collection 2002: 1,944 participants

Nutrition Data collection 2002: 1,550 participants

Data collection 2003: 1,776 participants

Data collection 2004: 1,529 participants

Psychomotricity Data collection 2004: 1,529 participants

Data collection 2005: 1,537 participants

Data collection 2006: 1,526 participants

Psychomotricity Data collection 2006: 1,526 participants

Data collection 2008: 1,402 participants

Health Data collection 2008-2009: 1,000 participants

Data collection 2010: 1,415 participants

Data collection 2011: 1,312 participants

Data collection 2013: 1,466 participants

Data collection 2015: 1,348 participants

Data collection 2017: 1,401 participants

Mental Health Data collection 2018: 1,245 participants

Data collection 2019: 1,323 participants

Nutrition data collection 2020: 908 participants

COVID-19 data collection 2020: 1,182 participants

Data collection 2021: 1,337 participants

Resilience data collection 2021: 1,327 participants

Data Collection Events
# Name Description Start End
1 QLSCD 1 - Cohort 1998 - Data collection 1998

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) and Paper Questionnaire Completed by ...

 1998-03 1998-12
2 QLSCD 1 - Cohort 1998 - Data collection 1999

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) and Paper Questionnaire Completed by ...

 1999-03 1999-12
3 QLSCD 1 - Cohort 1998 - Data collection 2000

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) and Paper Questionnaire Completed by ...

 2000-03 2000-11
4 QLSCD 1 - Cohort 1998 - Data collection 2001

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ), Self-Assessment Questionnaires (SAQS) ...

 2001-03 2001-11
5 QLSCD 1 - Cohort 1998 - Data collection 2002

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) and Paper Questionnaire Completed by ...

 2002-03 2002-06
6 QLSCD 1 - Cohort 1998 - Nutrition Data collection 2002

A 24-hour recall interview was conducted at the participant's home with the person who best knows the child regarding different aspects of the child's nutrition. A second 24-hour recall ...

 2002-03 2002-07
7 QLSCD 1 - Cohort 1998 - Data collection 2003

A phone interview was conducted with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ), Self-Assessment Questionnaires (SAQS) and Paper ...

 2003-03 2003-06
8 QLSCD 1 - Cohort 1998 - Data collection 2004

An interview was conducted by phone or at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) was used.

...		 2004-03 2004-06
9 QLSCD 1 - Cohort 1998 - Psychomotricity Data collection 2004

The child completed an evaluation of his physical condition and other psychomotor activities. This evaluation took place at school or at home depending on the parent's choice.

 2004-03 2004-08
10 QLSCD 1 - Cohort 1998 - Data collection 2005

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) was used. The Self-Administered ...

 2005-03 2005-06
11 QLSCD 1 - Cohort 1998 - Psychomotricity Data collection 2006

The child completed an evaluation of his physical condition and other psychomotor activities. This evaluation took place at school or at home depending on the parent's choice.

 2006-03 2006-06
12 QLSCD 1 - Cohort 1998 - Data collection 2006

An interview was conducted at the participant's home with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) was used. The Self-Administered ...

 2006-03 2006-06
13 QLSCD 1 - Cohort 1998 - Data collection 2008

A home or phone interview was conducted with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) was used. Self-administered questionnaires were to ...

 2008-02 2008-06
14 QLSCD 1 - Cohort 1998 - Health Data collection 2008-2009

Parents completed a self-administered questionnaire.

A home visit by a nurse was scheduled for sample collection, child measurements and completion of a questionnaire with the ...

 2008-03 2009-03
15 QLSCD 1 - Cohort 1998 - Data collection 2010

A home or phone interview was conducted with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) was used. The Self-Administered Questionnaire for ...

 2010-02 2010-06
16 QLSCD 1 - Cohort 1998 - Data collection 2011

A home or phone interview was conducted with the person who best knows the child. The Interviewer Completed Computerized Questionnaire (ICCQ) was used. Self-administered paper questionnaires ...

 2011-02 2011-06
17 QLSCD 1 - Cohort 1998 - Data collection 2013

A home or phone interview was conducted with the person who best knows the child.The Interviewer Completed Computerized Questionnaire (ICCQ) was used. The Self-Administered Questionnaire for ...

 2013-02 2013-06
18 QLSCD 1 - Cohort 1998 - Data collection 2015

A home or phone interview was conducted with the person who best knows the child.The Interviewer Completed Computerized Questionnaire (ICCQ) was used. The Self-Administered Questionnaire for ...

 2015-02 2015-06
19 QLSCD 1 - Cohort 1998 - Biological Embedding of Childhood Adversity Data collection 2015

A questionnaire or phone interview for the child was completed. Information was collected about the hair sample, lifestyle habits, and health.

A saliva sample was collected and a lock ...

 2015-02 2015-05
20 QLSCD 1 - Cohort 1998 - Data collection 2017

The Teenager's Online Questionnaire (TOQ) was administered or a phone interview was completed with the child.

Education information was taken from database.

 2017-02 2017-05
21 QLSCD 1 - Cohort 1998 - Mental health Data collection 2018 Information was collected about values and confidence, prosocial behaviour, romantic relationships, Attention deficit without hyperactivity, eating disorders, use of psychotropic substances, ... 2018-03 2018-06
22 QLSCD 1 - Cohort 1998 - Data collection 2019 Information was collected about family, interpersonal relations, career choices, educational background and school engagement, stress, health and well-being, political interest, work experiences, ... 2019-02 2019-06
Selection Criteria
Newborns
Twins
Countries
  • Canada
Territory
Quebec, Montreal, Chaudière-Appalaches, Laval, Lanaudière, Laurentides and Montérégie
Ethnic Origin
Health Status
Other Criteria
English or French-speaking

Recruitment

Sources of recruitment
  • General population
General Population
  • Selected sample
Supplementary Information
Participants were selected from specific health regions; the towns located about less than an hour drive from Montreal. Health regions located approximately less than an hour drive from Quebec City were also selected. The cities were chosen based on two criteria: the population of the city and the available traffic routes. After the sample was drawn by the Bureau de la statistique du Québec, Santé Québec received the list of names, addresses and telephone numbers of households to be interviewed. Recruitment was done through telephone calls.

Number of Participants

Number of Participants
572
Number of Participants with Biological Samples
572
Data Collection Events
# Name Description Start End
0 QLSCD 1 - Cohort 1996 - Data collection 1996 Information was collected about socioeconomic environment, physical environment, development, nutrition and breastfeeding, diet, sleep, temperament and behavior. Neighborhood observation and home ... 1996-10 1997-09
1 QLSCD 1 - Cohort 1996 - Data collection 1997 Information was collected about socioeconomic environment, physical environment, development, nutrition and breastfeeding, diet, sleep, temperament and behavior. Neighborhood observation and home ... 1997-10 1998-09
2 QLSCD 1 - Cohort 1996 - Data collection 1998 Information was collected about socioeconomic environment, physical environment, development, nutrition and breastfeeding, diet, sleep, temperament and behavior. Neighborhood observation and home ... 1998-11 1999-10
3 QLSCD 1 - Cohort 1996 - Data collection 1999 Information was collected about socioeconomic environment, physical environment, development, nutrition and breastfeeding, diet, sleep, temperament and behavior. Neighborhood observation and home ... 1999-11 2000-10
4 QLSCD 1 - Cohort 1996 - Data collection 2001 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2001-05 2002-04
5 QLSCD 1 - Cohort 1996 - Data collection 2002 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2002-05 2003-04
6 QLSCD 1 - Cohort 1996 - Data collection 2003 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2003-05 2004-04
7 QLSCD 1 - Cohort 1996 - Data collection 2004 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2004-05 2005-04
8 QLSCD 1 - Cohort 1996 - Data collection 2005 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2005-05 2006-04
9 QLSCD 1 - Cohort 1996 - Data collection 2006 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2006-05 2007-04
10 QLSCD 1 - Cohort 1996 - Data collection 2007 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2007-05 2008-04
11 QLSCD 1 - Cohort 1996 - Data collection 2008 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2008-05 2009-04
12 QLSCD 1 - Cohort 1996 - Data collection 2009 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2009-05 2010-04
13 QLSCD 1 - Cohort 1996 - Data collection 2010 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2010-05 2011-04
14 QLSCD 1 - Cohort 1996 - Data collection 2011 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2011-05 2012-04
15 QLSCD 1 - Cohort 1996 - Data collection 2012 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2012-05 2013-04
16 QLSCD 1 - Cohort 1996 - Data collection 2013 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2013-05 2014-04
17 QLSCD 1 - Cohort 1996 - Data collection 2014 Information was collected about socioeconomic environment, physical environment, development, health problems, care received, lifestyle behaviours (sleep, nutrition, diet), temperament and ... 2014-05 2015-04
Selection Criteria
Newborns
Twins
Countries
  • Canada
Territory
Montréal, Mauricie–Centre-du-Québec and Montérégie
Ethnic Origin
Health Status
Other Criteria
Inclusion: Minimum age: 59 gestational weeks at the beginning of each collection period at time 1
Maximum age: 60 gestational weeks at the beginning of each collection period at time 1
Exclusion: death at birth, family lives outside Quebec permanently or in a region excluded from the study

Recruitment

Sources of recruitment
  • General population
General Population
  • Selected sample
Supplementary Information
Participants were selected from the "Fichier de Naissances Vivantes" in the targeted sociosanitary regions and from the "Paiement de l’allocation aux familles de Retraite Québec". They are thereafter invited to participate.

Number of Participants

Number of Participants
449
Number of Participants with Biological Samples
449
Data Collection Events
# Name Description Start End
0 QLSCD 2 - Cohort 2018 - Data collection 2018 Information about family structure, physical and social environment during pregnancy was collected. 2018-10 2019-03
1 QLSCD 2 - Cohort 2018 - Data collection 2019 Information about family structure, physical and social environment during pregnancy was collected. 2019-10 2020-03
2 QLSCD 2 - Cohort 2018 - Data collection 2020 Information about family structure, physical and social environment during pregnancy was collected. 2020-10 2020-12
3 QLSCD 2 - Cohort 2018 - Data collection 2021 Information about family structure, physical and social environment during pregnancy was collected. 2021-10 2022-03
Selection Criteria
Newborns
Twins
Countries
  • Canada
Territory
Bas-Saint-Laurent, Saguenay–Lac-Saint-Jean, Capitale-Nationale, Mauricie-et-Centre-du-Québec, Estrie, Montréal, Outaouais, Abitibi-Témiscamingue, Côte-Nord, Gaspésie–Îles-de-la-Madeleine, Chaudière-Appalaches, Laval, Lanaudière, Laurentides, Montérégie
Ethnic Origin
Health Status
Other Criteria
Inclusion: 60 gestational weeks at the beginning of each collection period at time 1
Exclusion: Babies whose gestation lasted less than 24 weeks or more than 42 weeks; whose family is living in the the sociosanitary areas of Northern Quebec, Nunavik or the Cree Territory of James Bay and whose mothers are living on Indian reserves

Recruitment

Sources of recruitment
  • General population
General Population
  • Selected sample
Supplementary Information
Participants were selected from the "Fichier de Naissances Vivantes" in the targeted sociosanitary regions and were thereafter invited to participate.

Number of Participants

Number of Participants
8,200
Number of Participants with Biological Samples
8,200
Data Collection Events
# Name Description Start End
0 QLSCD 2 - Cohort 2020-2021 - Data collection 2021 Information about family structure, physical and social environment during pregnancy was collected. 2021-05 2022-03
1 QLSCD 2 - Cohort 2020-2021 - Data collection 2022 Information about family structure, physical and social environment during pregnancy was collected. 2022-05 2023-03

Classifications

Socio-demographic and economic characteristics
Lifestyle and behaviours
Birth, pregnancy and reproductive health history
Perception of health, quality of life, development and functional limitations
Diseases
Symptoms and signs
Medication and supplements
Non-pharmacological interventions
Health and community care services utilization
Death
Physical measures and assessments
Laboratory measures
Cognition, personality and psychological measures and assessments
Life events, life plans, beliefs and values
Preschool, school and work life
Social environment and relationships
Physical environment
Administrative information
Cognitive functioning
Personality
Psychological distress and emotions
Other psychological measures and assessments
Life events
Beliefs and values
Perception of health
Quality of life
Life course development
Functional limitations
Other perception of health, quality of life and functional limitation-related information
Tobacco
Alcohol
Drugs
Nutrition
Breastfeeding
Physical activity
Sleep
Sexual behaviours and orientation
Technological devices
Misbehaviour and criminality
Other and unspecified lifestyle information
Social network
Social participation
Social support
Parenting and familial environment
Other social environment characteristics

Socio-demographic and economic characteristics

Age/birthdate
Sex/gender
Marital/partner status
Family and household structure
Education
Residence
Birthplace
Citizenship and immigrant status
Ethnicity, race and religion
Language
Labour force and retirement
Income, possessions, and benefits
Other socio-demographic and economic characteristics

Lifestyle and behaviours

Tobacco
Alcohol
Drugs
Nutrition
Breastfeeding
Physical activity
Transportation
Personal hygiene
Sleep
Sexual behaviours and orientation
Leisure activities
Technological devices
Misbehaviour and criminality
Other and unspecified lifestyle information

Birth, pregnancy and reproductive health history

Puberty, menstruation, menopause and andropause
Contraception
Pregnancy, delivery and birth
Fertility and sexual health

Perception of health, quality of life, development and functional limitations

Perception of health
Quality of life
Life course development
Functional limitations

Diseases

Certain infectious and parasitic diseases (A00-B99)
Neoplasms (C00-D48)
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Endocrine, nutritional and metabolic diseases (E00-E90)
Mental and behavioural disorders (F00-F99)
Diseases of the nervous system (G00-G99)
Diseases of the ear and mastoid process (H60-H95)
Diseases of the circulatory system (I00-I99)
Diseases of the respiratory system (J00-J99)
Diseases of the digestive system (K00-K93)
Diseases of the skin and subcutaneous tissue (L00-L99)
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Diseases of the genitourinary system (N00-N99)
Pregnancy, childbirth and the puerperium (O00-O9A)
Certain conditions originating in the perinatal period (P00-P96)
Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Injury, poisoning and certain other consequences of external causes (S00-T98)
External causes of morbidity and mortality (V01-Y98)
Diseases without precise specification or falling into multiple categories

Symptoms and signs

Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
Symptoms and signs involving the digestive system and abdomen (R10-R19)
Symptoms and signs involving nervous and musculoskeletal systems (R25-R29)
Symptoms and signs involving cognition, perception, emotional state and behaviour (R40-R46)
General symptoms and signs (R50-R69)

Medication and supplements

Medication and supplement intake
Posology and protocol of administration
Other and unspecified pharmacological interventions

Non-pharmacological interventions

Surgical interventions
Educational and health promotion interventions
Other and unspecified non-pharmacological interventions

Health and community care services utilization

Visits to health professionals
Hospitalizations
Community and social care
Other health and community care

Death

Vital status
Other end of life or death-related information

Physical measures and assessments

Physical characteristics
Anthropometry
Muscles, skeleton and mobility
Skin and subcutaneous tissue
Other physical measures and assessments

Cognition, personality and psychological measures and assessments

Cognitive functioning
Personality
Psychological distress and emotions
Other psychological measures and assessments

Life events, life plans, beliefs and values

Life events
Life plans
Beliefs and values
Other life events, plans and beliefs

Preschool, school and work life

Preschool life
School life
Work life
Other preschool, school or work life-related information

Social environment and relationships

Social network
Social participation
Social support
Parenting and familial environment
Other social environment characteristics

Physical environment

Housing characteristics
Built environment/neighbourhood characteristics
Workplace characteristics
Chemical exposure

Administrative information

Identifiers
Date and time-related information
Questionnaire and interview-related information
Physical and cognitive measure and biosample-related information
Data and sample collection center-related information
Other administrative information

Cognitive functioning

Affective Go/No-Go Task
Backward Digit Span Task
Delayed Word Recall
Digit Ordering Test
Figural Intersections Task
Forward Digit Span Task
Imitation Sorting Task
Kaufman Assessment Battery for Children
Lollipop Test
Developmental NEuroPSYchological Assessment
Number Knowledge Test
Preschool Embedded Figure Test
Peabody Picture Vocabulary Test
Rapid Automatized Naming Tests
Random Object Span Task
Self-Ordered Pointing Task
Visually Cued Recall Task
Wechsler Intelligence Scale for Children
Wechsler Preschool and Primary Scale of Intelligence
Tower of London
Iowa Gambling Task

Personality

Attachment Style Questionnaire
Academic Self-Description Questionnaire
Child Behavior Checklist
Children's Social Behavior Questionnaire
Infant Characteristics Questionnaire
Rosenberg Self-Esteem Scale
Substance Use Risk Profile Scale
Urgency, Premeditation, Perseverance, Sensation Seeking, Positive Urgency, Impulsive Behavior Scale
Resistance to Peer Influence Scale

Psychological distress and emotions

Children's Depression Inventory
Center for Epidemiological Studies Depression Scale
Perceived Stress Scale
Structured Clinical Interview for DSM Disorders

Beliefs and values

Perceived Control Scale

Life course development

Early Development Instrument

Drugs

Cannabis Abuse Screening Test

Sleep

Epworth Sleepiness Scale
Pediatric Sleep Questionnaire

Social support

Dyadic Adjustment Scale
McMaster Family Assessment Device

Parenting and familial environment

Home Observation for Measurement of Environment
Parental Cognitions and Conduct Toward the Infant Scale
Parent Practices Scale
Parental Bonding Instrument

Other social environment characteristics

Job-Family Role Strain Scale