Table 2. Illness episode-level participant and illness characteristics stratified by use of medication from the formal and informal sector.
| Variable | Category | Total | Formal sector n (row %) | Informal sector n (row %) | P-value for chi-square test |
|---|---|---|---|---|---|
| Illness episodes | N = 1927 | 1541 (80.0%) | 386 (20.0%) | ||
| Sex | Male | N = 1000 | 794 (79.4%) | 206 (20.6%) | 0.555 |
| Female | N = 927 | 747 (80.6%) | 180 (19.4%) | ||
| Study site* | Matero | N = 429 | 356 (83.0%) | 73 (17.0%) | <0.001 |
| George | N = 915 | 873 (86.0%) | 142 (14.0%) | ||
| Chainda | N = 483 | 312 (64.6%) | 171 (35.4%) | ||
| SES | Low | N = 643 | 510 (79.3%) | 133 (20.7%) | 0.746 |
| Medium | N = 644 | 513 (79.7%) | 131 (20.3%) | ||
| High | N = 640 | 518 (80.9%) | 122 (19.1%) | ||
| Distance to closest study site (km)* | <1 | N = 699 | 679 (85.0%) | 120 (15.0%) | <0.001 |
| ≥1 and <3 | N = 759 | 574 (75.6%) | 185 (24.4%) | ||
| ≥3 | N = 369 | 288 (78.0%) | 81 (22.0%) | ||
| Type of illness* | Respiratory | N = 1123 | 892 (79.4%) | 231 (20.6%) | <0.001 |
| General malaise, fever, or headache | N = 185 | 110 (59.5%) | 75 (40.5%) | ||
| Wound/skin | N = 150 | 139 (92.7%) | 11 (7.3%) | ||
| Gastrointestinal | N = 391 | 333 (85.2%) | 58 (14.8%) | ||
| Other | N = 78 | 67 (85.9%) | 11 (14.1%) |
*Statistically significant association with sector