. Author manuscript; available in PMC: 2010 Aug 24.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2009 Jul 14;18(8):2292–2296. doi: 10.1158/1055-9965.EPI-09-0352

Table 1.

Age-standardized baseline characteristics of participants in the Nurses' Health Study (n = 86673) by childhood and adult exposure to passive smoking, 1982

	Parental smoking			Currently exposed at work or home

Characteristic	Neither parent	Mother^*	Father^*	None/Occasionally	Regularly
No. of individuals	25,593	18,614	49,871	45,598	32,710
Age, y	48.9 (7.2)^†	48.7 (7.2)	48.8 (7.2)	48.9 (7.3)	48.8 (7.2)
Height, inches	64.5 (2.4)	64.6 (2.5)	64.5 (2.4)	64.5 (2.4)	64.5 (2.5)
BMI, kg/m²	23.7 (4.1)	23.7 (4.2)	23.8 (4.1)	23.6 (4.0)	24.0 (4.3)
History of type 2 diabetes, %	2.7	2.9	2.8	2.6	2.9
Ever smokers, %	46.4	68.0	59.8	49.1	65.1
Current alcohol drinker, %	58.5	71.5	66.7	64.1	64.7
Current multivitamin use, %	40.9	41.2	40.8	41.9	39.4
Current aspirin use, %	49.3	52.8	51.9	49.4	53.2

NOTE: Unknown parental smoking (n = 7438); unknown adult exposure (n = 8365).

Included 14,843 women whose both parents were smokers.

^†

Mean (SD) for all such values.