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Table 1 Overview of the main characteristics for UK studies that report evidence on the impact of SHS exposure in the home on health and behavioural outcomes in non-smoker occupants

From: The impact of smoking in the home on the health outcomes of non-smoker occupants in the UK

Study ID

Type of Study

Included participants

Patient population

Assessment of SHS Exposure

Disease/Key Outcome

N-O Score

Health outcomes of non-smokers previously exposed to SHS in the home(Objective 1)

Reading et al. 2008[16]

Longitudinal cohort

11,332 families

Families recruited in the ASLPAC study

Parent-completed postal questionnaire

Accidents

6

Isle of Wight Birth Cohort

Longitudinal cohort

1456

Birth cohort

Parent-completed questionnaire

Asthma/wheeze outcomes

7

Arshad et al. 2005[17]

 

1,373

Completed 10 year assessment

6

Kurukulaaratchy et al. 2003[18]

 

169

Positive for bronchial hyper-responsiveness at age 10

6

Kurukulaaratchy et al. 2004[19]

 

206

Early or late onset persistent wheeze at age 10

6

Kurukulaaratchy et al. 2006[20]

 

340

Reported wheeze ever up to age 10 with atopic parents

6

Tariq et al. 2000[21]

 

1,218

Completed 4 year assessment

7

Hennessy et al. 2008[22]

Longitudinal cohort

283

Babies born at 25 weeks gestation or less

Parent-completed questionnaire

Wheeze

7

Murray et al. 2004[23]

Longitudinal cohort

369

Child (<3 yrs) of parents with high risk of atopy

Interviewer administered respiratory questionnaire

Wheeze

6

Trinder et al. 2000[24]

Cross-sectional survey

2996

Adults (16+ yrs)

Patient-completed questionnaire

Respiratory symptoms

5

Chen et al. 2001[25]

Cross sectional survey

301

Never smoker adults (25–64 yrs)

Patient-completed questionnaire

Lung Function

4

Palmer et al. 2004[26]

Cross-sectional study

499

Child (3–21 yrs) diagnosed with asthma

Parent-completed questionnaire

Asthma

4

Gee et al. 2005[27]

Case–control study

95 controls

Child (4–16 yrs)

Air sampling (RSPs, tobacco specific particles, VOCs, NO2, formaldehyde)

Asthma

5

105 cases

Forbes et al. 2007[28]

Case–control study

394 controls

Child (3–14 yrs)

Parent-completed questionnaire

Asthma; Accident & Emergency attendance

5

1018 cases

Crombie et al. 2001[29]

Cross-sectional study

501 families/

Child (2–12 yrs) diagnosed with asthma

Saliva cotinine assessment; parent-completed questionnaire

Asthma

4

438 children

Ward et al. 2007[30]

Longitudinal retrospective cohort

16,756 parents

Neonates

Parent interview

Birth weight

7

Macdonald Wallis et al. 2011[31]

Longitudinal cohort

7121

Birth cohort

Parent-completed questionnaire

Bone characteristics

8

Roddam et al. 2007[32]

Case–control study

640 controls

Woman (aged 36–45 years) diagnosed with breast cancer from 1987-1990

Patient interview

Breast cancer

4

639 cases

Llewellyn et al. 2009[33]

Cross-sectional survey

4809

Non-smoking adults (>50 years)

Saliva cotinine

Cognitive impairment

5

Williams et al. 2000[34]

Cross-sectional survey

763

Child (1.5-4.5 years)

Parent-completed questionnaire

Dental caries

4

MacLennan et al. 2006[35]

Longitudinal cohort

13919

Adolescent (15–19 years)

Patient interview

Meningococcal carriage

6

Coen et al. 2006[36]

Case–control study

144 survivors 144 matched controls

Adolescent (15–19 yrs)

Patient interview

Meningococcal disease

4

Risk of future smoking in children exposed to second hand smoke in the home(Objective 2)

Milton et al. 2004[37]

Longitudinal cohort

247 at aged 9

Primary school children aged 9-11

Both child and parent (usually mother) postal questionnaires

Smoking behaviour assessed by self-completed questionnaire

9

257 at aged

10

239 at aged 11

Griesbach et al. 2003[38]

Cross-sectional survey

3132

Adolescents aged 15+ from Scotland (N = 1724) and Wales (N = 1408)

Self-completed questionnaire on parents and other smokers in the home

Smoking behaviour assessed by self-completed questionnaire

4

  1. N-O Score, Newcastle-Ottawa score(Wells et al.). A higher score indicates higher methodological quality; max. 9.
  2. RSP, respirable suspended particle; VOC, volatile organic compound.