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Table 2 Association of STHs and anaemia with selected risk factors among schoolchildren (N = 443) in Yirgacheffee selected schools, South Ethiopia, 2017

From: Soil-transmitted helminth infections, anemia and undernutrition among schoolchildren in Yirgacheffee, South Ethiopia

Socio-demographic variables Total N (%) STH P-value Anaemia AOR (95% CI) P-value
Positive n (%) Negative n (%) Yes No
Gender
 Male 245 (55.3) 131 (54.8) 114 (55.9)   31 213 1.0  
 Female 198 (44.7) 108 (45.2) 90 (44.1) 0.286 37 161 1.90 (0.72, 3.02) 0.47
Age groups
 6–8 152 (34.3) 94 (21.2) 58 (13.1)   21 125 1.0  
 9–11 142 (32.1) 70 (15.8) 72 (16.3) 0.054 27 136 1.39 (0.94, 2.72)  
 12–15 149 (33.6) 75 (16.9) 74 (16.7)   20 114 1.21 (0.67, 1.93) 0.63
Source of water
 Untreated 199 (44.9) 127 (63.8) 72 (36.2) 0.000 NA NA   
 Treated 244 (55.1) 112 (45.9) 132 (54.1)   NA NA
Frequency of sucking fingers/nails
 Always 120 (27.1) 79 (65.8) 41 (34.2)   NA NA
 Sometimes 226 (51.0) 96 (42.5) 130 (57.5) 0.000 NA NA   
 Never 54 (12.2) 41 (75.9) 13 (24.1)   NA NA   
 Don’t know 43 (9.7) 23 (53.5) 20 (46.5)   NA NA   
Place of defecation
 Open field 148 (33.4) 89 (60.1) 59 (39.9) 0.040 NA NA
 Toilet 295 (66.6) 150 (50.8) 145 (49.2)   NA NA   
Family size
 1–3 79 (17.8) 30 (38.0) 49 (62.0)   NA NA
 4–6 265 (59.8) 132 (49.8) 133 (50.2) 0.221 NA NA   
 > 7 99 (22.4) 77 (77.8) 22 (22.2)   NA NA   
Undernutrition
 No 315 (71.1) 172 (54.6) 143 (45.4)   214 101 1.0  
 Yes 128 (28.9) 67 (52.3) 61 (47.7) 0.213 83 45 2.95 (1.68, 4.81) 0.007
  1. AOR adjusted odds ratio, CI confidence interval, NA not applicable