Table 2.

Attributes of relationship episodes from 520 participants in three urban Cape Town communities

N	n 1210	%
Partner type
Main partner	992	82.0
Casual partner	218	18.0
Concurrency statusa
Monogamous	704	58.2
Concurrent	506	41.8
Concurrency statusb
Monogamous	719	59.4
Concurrent	491	40.6
Condom use
Never	382	31.6
Sometimes	391	32.3
Always	437	36.1
Duration
≤1 week	362	29.9
2 weeks to 9 months	490	40.5
>9 months	358	29.6
Age difference between partners
<5 years	880	72.7
5–10 years	221	18.3
>10 years	109	9.0
Average Coital frequency per episode
1	382	29.8
2	378	30.8
3	233	18.2
>3	217	21.2

^aUNAIDS defined as any overlapping episode in which sexual intercourse with one partner occurs between two acts of intercourse with another partner. (Relationship episode types 1A, 1B, 2A, 2B, 3B from Figure 1.)

^bOur modified definition of concurrency, which excludes relationship episode type 3B from Figure 1.