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Table 1 Baseline sample characteristics of included studies (all participants)

From: Deworming in non-pregnant adolescent girls and adult women: a systematic review and meta-analysis

Author, year Sample size Country Age (range in years) Intervention arms Comparisons in analyses Study length (months) Baseline anaemia (%) Parasite prevalence (%) Parasite intensity (eggs per gram)
Gilgen, 2001 [103, 104] 553 Bangladesh 14–66 1. 200 mg ferrous fumarate + 200 mg folic acid, 1×/week
2. 400 mg albendazole single dose at week 1 and week 12
3. Interventions 1 + 2
4. Placebo
2 vs. 4
3 vs. 1a
5.5 85.7 Ascaris: 47.6
Hookworm: 74.4
Trichuris: 56.8
Ascaris: 20.8; Hookworm: 57.7; Trichuris: 14.8
Gopaldas 1983 [105] 170 India 5–13 1. Placebo
2. Anthelmintic + antiprotozoal
3. Anthelmintic + iron
4. Anthelmintic + iron + vitamin A
5. Iron
Anthelmintic: mebendazole 100 mg, 2×/day (3 consecutive days, 2×/4 months
Antiprotozoal: tinidazole 50 mg/kg body weight for 3 days consecutively
Iron: iron-folic acid (20 mg elemental iron and l00 mcg folic acid), 1×/day for 60 days, repeated at 4 months
Vitamin A: one dose of 200,000 I.U.)
3 vs. 5a 8 93.0 Any helminth: 11% NR
Olds 1999 [83] 1518 Philippines, China, Kenya 5–18 1. Placebo (physically identical)
2. Albendazole (single dose 400 mg)
3. Praziquantel (one dose of 40 mg/kg body weight)
4. Albendazole + praziquantel
2 vs. 1 6 75.2 Ascaris: 60.2
Hookworm: 52.1
Trichuris: 81.0
Generally light infections
Miguel 2004 [23] 3903 Kenya 6–18 1. Albendazole, 400 mg, 2×/year
2. Albendazole, 600 mg, 2×/year + praziquantel 40 mg/kg, 2×/year
3. No treatment
1 vs 3 24 4.0 Ascaris: 42.0
Hookworm: 77.0
Trichuris: 55.0
Ascaris: 2337 ± 5156; Hookworm: 426 ± 1055; Trichuris: 161 ± 470
  1. aSecondary analyses