Table 1.

Characteristics of the studies included in genital body powder use and epithelial ovarian cancer analyses

		Ever use of genital powder			Frequent genital powder use (>once per week)			Long-term genital powder use (>20 years)
Study	Diagnosis years	Exposed Cases and Controls, (% exposed)		Exposure assessment	Exposed Cases and Controls, (% exposed)		Exposure assessment	Exposed Cases and Controls, (% exposed)		Exposure assessment
		AA	White		AA	White		AA	White
AACES	2010–2015	119 (37.8%) cases, 202 (33.9%) controls		Have you ever used cornstarch, talc, baby or deodorizing powders in any of the following ways: On your genital or rectal areas, including on your underwear or sanitary napkins, or on birth control devices like diaphragms or cervical caps. Yes, No, NA	107 (34.0%) cases, 183 (30.7%) controls		How many times per month did you use it? __ __	50 (16.3%) cases, 94 (16.2%) controls		How many years total did you use it? __ __
CCCCS	1994–1998	14 (31.8%) cases, 15 (18.8%) controls	53 (22.7%) cases, 75 (17.8%) controls	Have you ever applied powders to your genital area after bathing or at other times? (Genital area includes inner thighs.) Yes, No, Don’t know	10 (22.7%) cases, 11 (13.8%) controls	39 (16.7%) cases, 54 (12.8%) controls	How many times per day or per week did you use it at age (AGE)? __ per day __ per week __per month __per year	4 (9.5%) cases, 6 (8.1%) controls	15 (6.9%) cases, 7 (1.8%) controls	Age started using powders, age stopped using powders
LACOCS	1998–2002	37 (29.1%) cases, 38 (26.2%) controls	296 (25.1%) cases, 298 (16.5%) controls	Did you ever use talc, baby, or deodorizing powder as a dusting powder to the genital or rectal area? Yes, No	30 (23.6%) cases, 33 (22.8%) controls	248 (21.0%) cases, 251 (13.9%) controls	As a dusting powder to the genital or rectal area? Times per month __ _	20 (16.0%) cases, 16 (11.2%) controls	145 (12.4%) cases, 123 (6.9%) controls	As a dusting powder to the genital or rectal area? Years used __ __
NCOCS	1999–2003	40 (30.8%) cases, 57 (29.8%) controls	220 (27.1%) cases, 200 (23.3%) controls	Please tell me if you used cornstarch, talc, baby or deodorizing powder in any of the following ways: directly to your genital or rectal areas. Yes, No, Don’t know	35 (30.4%) cases, 45 (23.6%) controls	181 (22.3%) cases, 170 (19.8%) controls	How often on average did you use it? __days / week	20 (18.2%) cases, 21 (11.5%) controls	83 (10.6%) cases, 88 (10.6%) controls	For how long in total did you use this product regularly? __ __years
WHI	1994–2018	12 (63.2%) cases, 78 (58.2%) controls	256 (44.5%) cases, 1515 (41.5%) controls	Have you ever used body powder on your private parts (genital areas)? Yes, No	NA	NA	Frequency of use was not assessed in WHI	5 (26.3%) cases, 27 (20.2%) controls	90 (15.7%) cases, 542 (14.9%) controls	For how many years? _____ [use on genital areas, use on sanitary napkin/pad, and use on diaphragm asked separately]