Table 3.

Health and lifestyle characteristics of Sister Study participants at baseline, 2003–2009.

Characteristic	$n$	(%)a
Participants	50,884	100.0
Smoking status
Never	28,552	56.1
Current	4,175	8.2
Former	18,141	35.7
Missing	16
Alcohol status
Nondrinker (never/former)	9,679	19.1
Light ($\le 3$ drinks per week)	27,615	54.4
Moderate ($>3–7$ drinks per week)	7,878	15.5
Heavy ($>7$ drinks per week)	5,625	11.1
Missing	87
BMI (kg/m2)b
$<18.5$	563	1.1
18.5–24.9	18,875	37.1
25.0–29.9	16,151	31.8
30.0–34.9	8,800	17.3
35.0–39.9	3,959	7.8
$\ge 40.0$	2,519	5.0
Missing	17
Median (range)	26.6 (11.5–72.1)
Personal history of cancer other  than breast or NMSC
No pre-baseline cancer reported	48,238	94.8
Ovarian cancer	167	0.3
Other cancer	2,479	4.9
Missing

Note: BMI, body mass index; NMSC, non-melanoma skin cancer.

^aTotal percentages may not always equal 100% due to missing values and rounding.

^b99.3% of BMI based on examiner data; remaining is based on self-reported height and weight.