Table 3. Health zone and area distribution of case control sample.
Health Area | Number of case control pairs from this health area |
---|---|
Rassia | 4 |
Lokpa | 5 |
Mombongo | 4 |
Salambongo | 35 |
Makana | 4 |
Wela | 21 |
Makoko | 14 |
Yatange | 2 |
Makutano Pumuzikia | 7 |
Total number of pairs | 96 |