Table 2 Selected behavioural indicators among youth (aged 15-24 years) in the sample general population survey in Manicaland, Zimbabwe, 1998-2005

	Round 1 (1998-2000)		Round 2 (2001-2003)		Round 3 (2003-2005)		Round 1 to round 2 p values	Round 2 to round 3 p values
Individuals not yet initiating sex (%, n/N)
Male
15-19 years of age*	49.4	(348/704)	69.5	(348/501)	76.3	(1475/1931)	<0.001	0.002
20-24 years of age	13.5	(136/1008)	18.2	(78/428)	22.2	(240/1079)	0.021	0.085
Female
15-19 years of age	66.0	(591/896)	79.4	(657/827)	76.4	(1475/1931)	<0.001	0.079
20-24 years of age	9.5	(85/897)	19.2	(76/395)	11.8	(183/1557)	<0.001	<0.001
Number of new partners among those having sex in the last year (%, n/N)
Male
0	27.9	(276/989)	42.1	(150/356)	32.6	(309/947)	<0.001	0.001
1	39.4	(395/989)	37.4	(133/356)	47.2	(447/947)	0.507	0.002
2+	32.2	(318/989)	20.5	(73/356)	20.2	(191/947)	<0.001	0.905
Female
0	69.2	(639/923)	74.0	(304/411)	76.4	(1224/1602)	0.075	0.310
1	27.2	(251/923)	23.8	(98/411)	21.7	(348/1602)	0.192	0.360
2+	3.6	(33/923)	2.2	(9/411)	1.9	(30/1602)	0.379	0.696
Partner's mean age and 95% CIs (in years) for those reporting sexual intercourse in the past two weeks
Male	18.9	(18.5-19.2)	19.0	(18.5-19.4)	19.4	(19.1-19.8)	0.773	0.158
Female	28.8	(28.1-29.4)	27.4	(26.7-28.1)	27.6	(27.3-28.0)	0.010	0.552
Consistent condom use with the last partner in the previous two weeks among unmarried individuals
Male	60.9	(145/238)	63.0	(46/73)	65.1	(123/189)	0.748	0.754
Female	36.8	(28/76)	45.2	(14/31)	45.5	(30/66)	0.424	0.978