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Nine-year prospective association between older siblings' smoking and children's daily smoking.
J Adolesc Health. 2003 Jul; 33(1):25-30.JA

Abstract

PURPOSE

To explore the hypothesis that older siblings' smoking, after controlling for parents' smoking, influences children's smoking.

METHODS

Study participants were 2981 students in the control cohort of a school-based smoking prevention randomized trial for whom parents' smoking and older siblings' smoking data were collected at 3rd grade and daily smoking data was assessed 9 years later through a self-report questionnaire at the 12th grade. Data were analyzed using conditional logistic regression and likelihood ratio tests.

RESULTS

For families in which no parent smoked, the 12th grade prevalence of daily smoking was 31% when at least one older sibling smoked compared to 18% when no older sibling smoked. For families in which at least one parent smoked, the 12th grade prevalence of daily smoking was 41% when at least one older sibling smoked compared to 29% when no older sibling smoked. There was a substantial increase in the odds (OR = 1.60, p =.004) of children's daily smoking at 12th grade when their older siblings smoked, even after adjusting for parents' smoking.

CONCLUSIONS

Older siblings' smoking is associated with increased risk of children's smoking after adjusting for parents smoking. Furthermore, there was no evidence to suggest that the influence of older siblings' smoking was different in families where no parent smoked compared to those where at least one parent smoked. Also, there was no evidence that the influence of older siblings' smoking was different in boys vs. girls.

Authors+Show Affiliations

Fred Hutchinson Cancer Research Center, Division of Public Health Science, MP-603, 1100 Fairview Avenue North, PO Box 19024, Seattle, WA 98109-1024, USA. brajan@fhcrc.orgNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

12834994

Citation

Rajan, Kumar B., et al. "Nine-year Prospective Association Between Older Siblings' Smoking and Children's Daily Smoking." The Journal of Adolescent Health : Official Publication of the Society for Adolescent Medicine, vol. 33, no. 1, 2003, pp. 25-30.
Rajan KB, Leroux BG, Peterson AV, et al. Nine-year prospective association between older siblings' smoking and children's daily smoking. J Adolesc Health. 2003;33(1):25-30.
Rajan, K. B., Leroux, B. G., Peterson, A. V., Bricker, J. B., Andersen, M. R., Kealey, K. A., & Sarason, I. G. (2003). Nine-year prospective association between older siblings' smoking and children's daily smoking. The Journal of Adolescent Health : Official Publication of the Society for Adolescent Medicine, 33(1), 25-30.
Rajan KB, et al. Nine-year Prospective Association Between Older Siblings' Smoking and Children's Daily Smoking. J Adolesc Health. 2003;33(1):25-30. PubMed PMID: 12834994.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Nine-year prospective association between older siblings' smoking and children's daily smoking. AU - Rajan,Kumar B, AU - Leroux,Brian G, AU - Peterson,Arthur V,Jr AU - Bricker,Jonathan B, AU - Andersen,M Robyn, AU - Kealey,Kathleen A, AU - Sarason,Irwin G, PY - 2003/7/2/pubmed PY - 2003/9/10/medline PY - 2003/7/2/entrez SP - 25 EP - 30 JF - The Journal of adolescent health : official publication of the Society for Adolescent Medicine JO - J Adolesc Health VL - 33 IS - 1 N2 - PURPOSE: To explore the hypothesis that older siblings' smoking, after controlling for parents' smoking, influences children's smoking. METHODS: Study participants were 2981 students in the control cohort of a school-based smoking prevention randomized trial for whom parents' smoking and older siblings' smoking data were collected at 3rd grade and daily smoking data was assessed 9 years later through a self-report questionnaire at the 12th grade. Data were analyzed using conditional logistic regression and likelihood ratio tests. RESULTS: For families in which no parent smoked, the 12th grade prevalence of daily smoking was 31% when at least one older sibling smoked compared to 18% when no older sibling smoked. For families in which at least one parent smoked, the 12th grade prevalence of daily smoking was 41% when at least one older sibling smoked compared to 29% when no older sibling smoked. There was a substantial increase in the odds (OR = 1.60, p =.004) of children's daily smoking at 12th grade when their older siblings smoked, even after adjusting for parents' smoking. CONCLUSIONS: Older siblings' smoking is associated with increased risk of children's smoking after adjusting for parents smoking. Furthermore, there was no evidence to suggest that the influence of older siblings' smoking was different in families where no parent smoked compared to those where at least one parent smoked. Also, there was no evidence that the influence of older siblings' smoking was different in boys vs. girls. SN - 1054-139X UR - https://www.unboundmedicine.com/medline/citation/12834994/Nine_year_prospective_association_between_older_siblings'_smoking_and_children's_daily_smoking_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1054139X03000442 DB - PRIME DP - Unbound Medicine ER -