Table 1

Mean rates of partner change (m−1), variance (σ²) of the number partners, and average R₀ for female and male subjects in the study populations, showing higher partner change rates, variances, and reproductive values for all repeater populations compared with non-repeaters

	m−1	σ²	Average R₀
The average duration time of chlamydial infection was 10 months, and for gonorrhea and co-infection, 55 days.
Ct, chlamydia; Gc, gonorrhoea.
	β=0.10
Ct female non-repeaters	0.4	0.45
			0.7
Ct male non-repeaters	0.31	0.73

Ct female repeaters	0.84	1.77
			1.09
Ct male repeaters	0.64	1.94
	β=0.43
Gc female non-repeaters	0.37	0.47
			0.77
Gc male non-repeaters	0.43	0.66

Gc female repeaters	0.34	0.68
			1.01
Gc male repeaters	0.97	1.36
	β=0.50
Co-infected female non-repeaters	0.41	0.92
			0.97
Co-infected male non-repeaters	0.4	0.33

Co-infected female repeaters	0.93	2.61
			1.41
Co-infected male repeaters	0.53	0.71