Table 3 Efficacy of praziquantel against S. haematobium with respect to socio-demographic factors and locality
Characteristic | Category | Prevalence at day 0 (n) (N = 174) | Prevalence at day 42 (n) (N = 130) | Mean egg load on day 0 (range) | Mean egg load on day 42 (range) | Z test P value | ERR (%) |
|---|---|---|---|---|---|---|---|
Occupation | Semi-skilled worker | 100 (7) | 1.5 (2) | 15 (4–50) | 3 (1–5) | 1.604 0.109 | 80.0 |
Farmers | 100 (66) | 7.0 (9) | 25 (1–400) | 7 (1–35) | 1.605 0.108 | 72.0 | |
Housewife | 100 (6) | 1.5 (2) | 30 (5–50) | 5 (1–10) | 2.821 0.005 | 83.3 | |
Pupil/student | 100 (95) | 12.3 (16) | 34 (1–300) | 6 (1–35) | 1.342 0.180 | 82.4 | |
Level of significance | V = 0.20, P = 0.0007 | H = 3.5 P = 0.32 | |||||
Locality | Bafia | 100 (20) | 4.6 (6) | 53 (1–400) | 5 (1–10) | 1.572 0.116 | 90.6 |
Ikata | 100 (33) | 5.4 (7) | 48 (2–300) | 3 (1–6) | 2.154 0.012 | 93.8 | |
Likoko | 100 (48) | 2.3 (3) | 20 (1–200) | 7 (2–35) | 3.117 0.002 | 65.0 | |
Mile 14 | 100 (73) | 10.0 (13) | 23 (1–50) | 9 (1–35) | 3.923 < 0.001 | 74.3 | |
Level of significance | V = 0.163, P = 0.242 | H = 6.1, P = 0.12 | |||||
Highest level of school attainment | No formal or primary | 100 (130) | 16.1 (21) | 31 (1–400) | 5 (1–35) | 4.919 < 0.001 | 83.8 |
Secondary/tertiary | 100 (44) | 6.0 (8) | 30 (1–200) | 8 (1–35) | 1.965 0.049 | 73.3 | |
Level of significance | χ 2 = 4.25, P = 0.04 | U = 1730, P = 0.61 | |||||