Table 3. Result of matched (stepwise) logistic regression^a.

Variable	Odds ratio	Standard error
Counselling in track C	2.469	1.032
Counselling in track D	66.770	48.339
Referral in track A	0.042	0.015
Referral in track E	0.075	0.031
Log likelihood	–238.13
Log likelihood ratio chi2	422.07
Prob > chi2	0
Pseudo R2	0.4698

^a Expert physicians and non-physician health-care workers compared with independent benchmark.