Table 4.
Statistically significant correlations between characteristics and intestinal parasites
| Characteristics | Overall parasites | ||
| Positive n (%) | Negative n (%) | p value | |
| Socio-demographic characteristics | |||
| Residence | |||
| Shanty area (n = 79) | 32 (40.5) | 47 (59.5) | 0.03 |
| City (n = 208) | 57 (24.4) | 151 (72.6) | |
| Education of mother | |||
| Uneducated/primary school Incomplete (n = 63) | 29 (46.0) | 34 (54.0) | <0.001 |
| Primary school (n = 94) | 36 (38.3) | 58 (61.7) | |
| High school and more (n = 127) | 25 (19.7) | 102 (80.3) | |
| Father's social statusa | |||
| High (n = 136) | 27 (19.9) | 109 (80.1) | <0.001 |
| Low (n = 119) | 54 (45.4) | 65 (54.6) | |
| Mother's employment | |||
| Employed (n = 214) | 79 (36.9) | 135 (63.1) | <0.001 |
| Unemployed (n = 79) | 12 (15.2) | 67 (84.8) | |
| Age | |||
| 9 (n = 100) | 30 (30.0) | 70 (70.0) | 0.04 |
| 10 (n = 120) | 30 (25.0) | 90 (75.0) | |
| 11–12 (n = 74) | 31 (41.9) | 43 (58.1) | |
| Housing conditions | |||
| Each student has his/her own bedroom | |||
| Yes (n = 130) | 25 (19.2) | 105 (80.8) | <0.001 |
| No (n = 161) | 66 (41.0) | 95 (59.0) | |
| Number of person living in house | |||
| ≤4 (n = 47) | 8 (17.0) | 39 (83.0) | 0.02 |
| >4 (n = 247) | 83 (33.6) | 164 (66.4) | |
| Number of brother/sister | |||
| ≤2 (n = 178) | 38 (21.3) | 140 (78.7) | <0.001 |
| >2 (n = 116) | 53 (45.7) | 63 (54.3) | |
| Drinking water | |||
| Treated (n = 88) | 14 (15.9) | 74 (84.1) | <0.001 |
| Untreated (n = 200) | 76 (38.0) | 124 (62.0) | |
| Washbasin in toilet | |||
| Yes (n = 215) | 53 (24.7) | 162 (75.3) | <0.001 |
| No (n = 75) | 37 (49.3) | 38 (50.7) | |
| Hygienic habits | |||
| Washing hands (n = 293) | |||
| Only water | 52 (37.4) | 87 (62.6) | 0.01 |
| With soap and water | 38 (24.7) | 116 (75.3) | |
aThe indicators of father's social status: Low social level: unemployment, working at unqualified jobs, working at temporary jobs. High social level: employee, employer, employee based on high wage, craftsman