Table 1.

Baseline characteristics of study sample, overall and by group assignment

Characteristic	Total (n = 103)		Continuous→precoital (n = 42)		Precoital→continuous (n = 41)		Observation (n = 20)
	mean	median	mean	median	mean	median	mean	median
Age	30.2	30.0	29.7	29.0	30.8	30.0	29.9	31.0
No. partners, past 3 mos.	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0
	n	%	n	%	n	%	n	%
Ethnicity
Shona	67	65.7	28	66.7	27	65.9	12	63.2
Other	35	34.3	14	33.3	14	34.2	7	36.8
Relationship status
Married	102	100.0	42	100.0	41	100.0	19	100.0
Parity
1-2	39	38.2	22	52.4	13	31.7	4	21.0
3 or more	63	61.7	20	47.6	28	68.3	15	78.9
Current contraception
Long-term contraceptives	5	4.9	1	2.4	3	7.3	1	5.3
Injectables	29	28.4	12	28.6	14	34.2	3	15.8
Oral contraceptives	68	66.7	29	69.1	24	58.5	15	79.0
Ever treated for RTI/STI, lifetime
Yes	15	14.7	8	19.1	5	12.2	2	10.5
Any symptoms, past 3 mos.
Yes	14	13.7	6	14.3	6	14.6	2	10.5
BV status at baseline
Positive	19	19.2	12	28.6	4	10.8	3	15.0
Ever used male condoms
Yes	83	80.6	32	76.2	32	78.1	19	95.0
Male condom use, past 3 mos.
All of the time	8	9.5	1	3.0	4	12.5	3	15.8
Sometimes	35	41.7	16	48.5	9	28.1	10	52.6
Never	41	48.8	16	48.5	19	59.4	6	31.6
Ever used diaphragm, past 3 mos.
Yes	12	11.7	4	9.5	5	12.2	3	15.0