Table 2.

Effects of the intervention on health centre utilisation (source: administrative records of CSPSs)

Users’ place of residence (1)	Users/year/centre, preintervention period (2)	Effects of the intervention (3)
		Rate ratio estimate and (95% CI) (4)	Average increase (additional users per year and % increase) (4)
d<5 km	649.5	2.21 (1.74 to 2.79)	782.7	121
5 km≤d<10 km	478.4	2.43 (1.92 to 3.09)	686.0	143
d≥10 km	655.0	1.77 (1.39 to 2.24)	501.1	77
All	1782.9	2.09 (1.67 to 2.63)	1948.1	109

(1) Distance from home to the health centre.

(2) Average number of users per centre in the 12 months preceding the intervention.

(3) RRs and marginal increases estimated by multilevel Poisson regression.

(4) All RRs and marginal increases are significant at a threshold of p<0.001.