Table 6. The frequency of condom use relative to sociodemographic factors.

	With relationship partner			p-valuea	With casual partner			p-valuea
	Total	Always or consistently	Never or seldom		Total	Always or consistently	Never or seldom
Overall	1,820	269 (14.8)/13.2–16.4	1,117 (61.4)/59.4–63.6		283	112 (39.6)/33.9–45.3	69 (24.4)/19.4–29.4
Men	917	131 (14.3)/12.0–16.6	546 (59.5)/56.3–62.7	0.380	257	104 (40.5)/34.5–46.5	63 (24.5)/19.3–29.8	0.705
Women	903	135 (15.0)/12.6–17.3	571 (63.2)/60.1–66.4		26	8 (30.8)/13.0–48.5	6 (23.1)/6.9–39.3
Age (y)				<0.001				<0.001
18–19	18	6 (33.3)/11.6–55.1	5 (27.8)/7.1–48.5		5	1 (20.0)/-15.1–55.1	2 (40.0)/-2.9–82.9
20-29	196	63 (32.1)/25.6–38.7	51 (26.0)/19.9–32.2		52	24 (46.2)/32.6–59.7	8 (15.4)/5.6–25.2
30–39	408	68 (16.7)/13.1–20.3	199 (48.7)/43.9–53.6		83	43 (51.8)/41.1–62.6	10 (12.0)/5.0–19.1
40–49	492	88 (17.9)/14.5–21.3	296 (60.2)/55.8–64.5		63	24 (38.1)/26.1–50.1	19 (30.1)/18.8–41.5
50–59	458	35 (7.7)/5.2–10.1	350 (76.4)/72.5–80.3		58	17 (29.3)/17.6–41.0	18 (31.1)/19.1–42.9
60–69	248	9 (3.6)/1.3–6.0	216 (87.1)/82.9–91.3		22	3 (13.6)/-0.7–28.0	12 (54.6)/33.7–75.4
Education level				<0.001				0.005
Middle school or lower	41	4 (9.8)/6.7–18.8	36 (87.8)/77.8–97.8		4	1 (25.0)/-17.4–67.4	1 (25.0)/-17.4–67.4
High school or college	664	71 (10.7)/8.3–13.0	451 (67.9)/64.4–71.5		77	22 (28.6)/18.5–38.7	27 (35.1)/24.4–45.7
University or higher	1,115	194(17.4)/15.2–19.6	630 (56.5)/53.6–59.4		202	89 (44.1)/37.2–50.9	41 (20.3)/14.8–25.8
Marital status				<0.001				0.691
Currently married	1,543	180 (11.7)/10.1–13.3	1,036 (67.1)/64.8–69.5		168	68 (40.5)/33.1–47.9	42 (25.0)/18.5–31.5
Divorced or widowed	35	9 (25.7)/11.2–40.2	21 (60.0)/43.8–76.2		14	2 (14.3)/-4.0–32.6	5 (35.7)/10.6–60.8
Never married	242	80 (33.1)/27.1–39.0	60 (24.8)/19.4–30.2		101	42 (41.6)/32.0–51.2	22 (21.8)/13.7–29.8

Values are presented as number only or number (%)/95% confidence interval.

^ap-value for linear trend.