Table 1 Distribution of self-reported socio-demographic, lifestyle, and reproductive characteristics of participants overall and in each latent class of personal care product usage, SELF (2013–2018), N = 1562.

From: Frequency of personal care product use among reproductive-aged Black individuals and associations with socio-demographic characteristics

Characteristics		Classes of personal care products use
		All Participants	Class 1 Lower Overall	Class 2 Higher Nailcare	Class 3 Higher Skincare	Class 4 Moderate Overall	Class 5 Higher Makeup/ Haircare/ Skincare	Class 6 Higher Overall	p-value
	N (%)	1562	279 (18)	192 (12)	257 (16)	386 (25)	238 (16)	210 (13)
Age	<30 years	26	29	28	22	28	21	28	0.25
	30 to <33 years	26	22	28	24	28	27	25
	33 to <36 years	27	30	20	30	26	30	26
	36 years and over	21	20	24	25	19	22	21
Marital status	Never married	39	42	37	42	37	38	37	0.82
	Previously married or lived as married	20	18	25	19	19	21	20
	Currently married	41	41	39	40	44	40	43
Educational attainment at F2/F3	High school/GED or less	16	28	29	18	8	6	11	<0.0001
	Some college/associates/ technical	51	55	57	53	47	42	59
	Bachelors/Masters/PhD	33	17	15	29	46	53	31
Childhood: Highest educational attainment of primary caregiver	High school/GED or less	47	63	60	48	35	36	46	<0.0001
	Some college/associates/ technical	42	30	35	44	49	48	42
	Bachelors/Masters/PhD	12	7	5	9	17	16	12
Total annual household income at visit	<20K	36	55	51	39	23	23	31	<0.0001
	20–50K	39	33	38	36	42	40	45
	50K+	25	12	12	25	35	37	24
Current employment at visit	Not employed	22	36	29	21	16	16	19	<0.0001
	Employed <30 hours/week	9	10	12	9	10	7	10
	Employed 30+ hours/week	68	54	59	70	74	78	71
Body Mass Index	Less than 25 kg/m²	16	17	12	16	17	18	15	0.040
	25–30 kg/m²	19	16	16	17	20	25	21
	30 to <35 kg/m²	20	17	19	21	20	21	22
	35 kg/m² and above	45	51	54	47	43	35	41
Smoking	Non	70	53	59	72	79	81	68	<0.0001
	Former	9	15	5	11	8	6	10
	Current (<10 cigarette/day)	16	22	29	13	9	11	20
	Current (10+ cigarette/day)	5	10	7	5	4	2	2
Alcohol use^a	None	14	23	14	22	11	8	8	<0.0001
	Moderate	67	58	63	63	73	71	70
	Heavy	19	20	23	15	16	21	22
Alcohol use at heaviest	None	7	12	6	10	6	4	6	0.0001
	Moderate	44	41	39	46	49	51	36
	Heavy	48	47	56	44	45	45	58
Physical activity (at F2^b)^c	Low	20	21	20	22	19	19	19	0.23
	Low to moderate	26	25	26	26	23	30	23
	Moderate	26	31	24	24	30	22	27
	High	17	11	19	18	14	21	16
	Very high	11	12	11	11	14	7	15
Physical activity (at F2^b)	<150 mins of vigorous activity or <7 hrs of moderate activity/week	72	77	71	72	73	71	69	0.51
Physical activity (at F2^b)	≥150 mins of vigorous activity or >7 hrs of moderate activity/week	28	23	29	28	28	29	31
Age at menarche	Early menarche	19	22	15	21	18	18	17	0.56
	11 years	20	19	21	20	22	22	16
	12 years	27	30	23	27	28	22	28
	13 years	17	14	20	15	15	19	20
	Late menarche	18	16	21	18	17	18	20
Parity	Nulliparous	32	23	21	34	38	44	31	<0.0001
	1	25	23	26	25	26	23	25
	2	20	20	23	19	21	20	21
	3 or more	23	34	31	22	16	14	23
Ever used oral contraceptives	No	27	33	35	29	22	22	21	0.0003
Ever used oral contraceptives	Yes	73	67	65	71	78	78	79
Ever used depo	Never	55	51	41	55	59	67	51	<0.0001
Ever used depo	Ever	46	50	59	46	42	34	49
Used lubricated condoms/spermicides in past 12 months	Did not use	62	68	58	70	61	62	52	0.0005
Used lubricated condoms/spermicides in past 12 months	Used	38	32	42	30	39	38	48
Most likely form of contraception^d at clinic visit	None	73	80	80	73	69	68	70	0.004
	BCP	9	6	5	12	10	11	9
	Hormonal implant or POP	2	3	1	0	3	1	3
	Depo-Provera	5	7	4	7	4	5	5
	Hormonal IUD or Mirena	7	4	7	6	8	7	9
	Non-hormonal IUD	3	1	3	1	3	5	4
	Vaginal ring or Patch	1	1	1	0	3	3	1

Values reported are column percentages, which may not add up to 100 due to rounding. Observations with missing values were not included; P-values correspond to Chi-squared test for differences in distribution across the 6 latent classes; BCP Birth control pill, POP Progestin-only pill, IUD Intrauterine device.
^aAlcohol use: Moderate (1–5 drinks on days when having alcohol or 4+ drinks once/month or less); Heavy (6+ drinks on days when having alcohol or 4+drinks minimum 2x/month).
^bOnly women who had F2 data were included in the analysis of physical activity.
^cPhysical activity: Low (<1 hour/week of vigorous activity, 2 hours/week of moderate activity, and 14 hours/week of walking); Low to moderate (MET score below 72); Moderate (MET score above 72); High (150–300 mins/week of vigorous activity or 7 to 10 hours/week of moderate activity); Very high (≥300 mins/week of vigorous activity or ≥10 hours/week of moderate activity).
^dFor most likely forms of contraception at clinic visit, women who responded with non-contracepting progesterone (n = 5), unknown IUD (n = 1), and other fertility medication (n = 1) were excluded from the analysis. Infrequently reported forms of hormonal contraception were grouped according to the hormone composition; progestins only, estrogen, and progestins.

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Table 1 Distribution of self-reported socio-demographic, lifestyle, and reproductive characteristics of participants overall and in each latent class of personal care product usage, SELF (2013–2018), N = 1562.

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