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. 2021 Oct 15;21:1104. doi: 10.1186/s12913-021-07141-5

Table 3.

Fractional regression models showing facility characteristics associated with PAC and SAC proportional capacity scores

PAC SAC
Basic PAC Comprehensive PAC Basic SAC Comprehensive SAC
Primary facilities Referral facilities Primary facilities Referral facilities
Covariates Marginal effects† (95% CI) Marginal effects† (95% CI) Covariates Marginal effects† (95% CI) Marginal effects† (95% CI)
PAC Caseloads SAC Caseloads
One PAC patient per month or less 1.00 (ref) 1.00 (ref)
Up to one PAC patient per week 0.07 (0.02–0.12)** 0.13 (0.05–0.21)** Up to one SAC patient per week 1.00 (ref) 1.00 (ref)
Up to two PAC patients per week 0.08(−0.04–0.21) 0.13 (0.05–0.22)** Up to two SAC patients per week 0.05(−0.01–0.11) 0.00(− 0.08–0.09)
Greater than two PAC patients per week 0.28 (0.15–0.42)*** 0.14 (0.04–0.24)** Greater than two SAC patients per week 0.03(− 0.08–0.14) − 0.02(− 0.13–0.09)
Managing authority Managing authority
Public 1.00 (ref) 1.00 (ref) Public 1.00 (ref) 1.00 (ref)
Private or faith-based 0.03(−0.04–0.10) −0.07(− 0.13 – − 0.01)* Private or faith-based −0.05(− 0.12–0.02) −0.08(− 0.18–0.02)
Residence Residence
Urban 1.00 (ref) 1.00 (ref) Urban 1.00 (ref) 1.00 (ref)
Rural 0.00(−0.06–0.06) 0.07 (0.01–0.13)* Rural − 0.08(− 0.14 – − 0.01)* 0.03(− 0.04–0.10)
Number of deliveries per year 0.00(−0.00–0.00) 0.00 (0.00–0.00)* Number of deliveries per year 0.00(− 0.00–0.00) 0.00(−0.00–0.00)
Staff training in vacuum aspiration
No staff trained 1.00 (ref) 1.00 (ref)
One or more staff trained 0.12 (0.07–0.18)*** 0.23 (0.11–0.35)***

† Marginal effects of covariates represent changes in the proportional quality score for basic PAC and SAC and comprehensive PAC and SAC compared with the reference group for each covariate

‡ Either manual (MVA) or electric (EVA)

*p < .05, **p < .01, ***p < .001