. 2020 Sep 16;190(2):196–206. doi: 10.1093/aje/kwaa199

Table 3.

Baseline Epidemiologic and Clinical Characteristics of Women in the Chile Biliary Longitudinal Study (n = 4,726) at Enrollment, 2016–2019

Characteristic	No.	%
No. of live births^a
0	319	6.7
1–2	1,612	34.1
3–4	1,938	41.0
≥5	783	16.6
Missing or unknown^b	74	1.6
Hormonal medication (ever use)^a
Never	2,068	43.8
Contraceptives only	2,338	49.5
Hormone replacement therapy only	92	1.9
Both (contraceptives and hormone replacement)	141	3.0
Missing or unknown^b	87	1.8
Cigarette smoking status^a^,^c
Never smoker	2,845	60.2
Former smoker	971	20.6
Current smoker	837	17.7
Missing or unknown^b	73	1.5
Alcohol drinking status^a^,^d
Never drinker	1,179	25.0
Former drinker	370	7.8
Current drinker	3,100	65.6
Missing or unknown^b	77	1.6
Pesticide exposure (ever exposed)^a
No	4,175	88.3
Yes	420	8.9
Missing or unknown^b	131	2.8
Regular use of aspirin^a
No	3,266	69.1
Yes	989	20.9
Missing or unknown^b	471	10.0
Regular use of nonsteroidal antiinflammatory drugs^a
No	4,132	87.4
Yes	128	2.7
Missing or unknown^b	466	9.9
Regular use of statins^a
No	3,030	64.1
Yes	1,223	25.9
Missing or unknown^b	473	10.0