Table 2: stratified analysis to assess interaction and confounding of exposure factors associated with caesarean section at health facilities in Kabarole district, western Uganda (2016)

Stratified variable

aB-D test (p value)

bCOR

cM-H AOR

[(Crude adjusted)]/crude *100

Age group (14-25, 26-44)

0.284

23.1 (7.98 - 90.16)

22.3 (7.86-63.38)

3.5%

Education status (yes, no)

0.845

23.0 (7.98- 90.16)

23.4 (8.13-67.48)

1.7%

Employment status (yes or no)

0.212

23.1 (7.98- 90.16)

23.6 (8.06-69.12)

2.2%

Pre-existing medical conditions (yes or no)

0.219

22.5 (7.78- 88.21)

25.4 (8.33- 77.21)

12.9%*

B-D: Breslow-Day; b COR: crude odds ratio homogeneity test; c M-H AOR: Mantel–Haenszel adjusted odds ratio; *cofounding variable