Table 1.

Socio-demographic and behavioural characteristics of HIV-negative women who were followed up and lost to follow-up

	Followed up (N=1099)	Lost to follow-up (N=156)	p
Age	18.40 (18.24 to 18.56)	18.78 (18.50 to 19.06)	0.01
Education (to grade 10)	956 (87%)	133 (85%)	0.59
Socio-economic status	0.0055 (−0.12 to 0.13)	−0.014 (−0.221 to 0.194)	0.85
Ever had a boyfriend	1059 (96%)	155 (99%)	0.05
Ever had sex	980 (89%)	148 (95%)	0.04
Ever had a pregnancy	197 (18%)	29 (19%)	0.86
Herpes simplex type 2 virus infection at baseline	245 (22%)	39 (26%)	0.37