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Table 2 Sociodemographic, clinical, and biochemical characteristics of the study sample

From: Implication of asymptomatic and clinical Plasmodium falciparum infections on biomarkers of iron status among school-aged children in Malawi

Characteristics

Total

684 (100)

Female

335 (51.9)

Male

329 (48.1)

P-value*

n (%)

n (%)

n (%)

Child age (years)

0.2567

 5–10

437 (62.1)

230 (32.8)

125 (17.8)

 

 11–14

247 (37.7)

207 (29.3)

122 (20.1)

 

Fever in last 2 weeks

0.4187

 Yes

163 (24.8)

83 (13.4)

272 (37.2)

 

 No

521 (75.2)

80 (11.4)

249 (38.0)

 

Diarrhea in last 2 weeks

0.4187

 Yes

37 (6.0)

15 (2.7)

338 (47.9)

 

 No

643 (94.0)

22 (3.3)

305 (46.1)

 

Asymptomatic malaria

0.0098

 Yes

257 (41.5)

144 (24.1)

211 (26.5)

 

 No

427 (58.5)

113 (174)

216 (32.0)

 

Clinical malaria

 Yes

253 (40.9)

141 (23.8)

213 (26.8)

0.0104

 No

4331 (59.1)

111 (17.1)

218 (32.3)

 

C-reactive protein (CRP)

0.2943

 ≤ 5 mg/dL

573 (83.1)

291 (41.1)

64 (9.5)

 

 > 5 mg/dL

111 (16.9)

282 (42.0)

47 (7.4)

 

Alpha-1-acid glycoprotein (AGP)

0.1713

 ≤ 1 g/L

459 (68.2)

230 (32.9)

125 (17.7)

 

 > 1 g/L

225 (31.8)

229 (35.2)

100 (14.2)

 

Elevated CRP or AGP

0.0952

 No

447 (65.9)

223 (31.4)

132 (19.2)

 

 Yes

237 (34.1)

224 (34.5)

105 (14.9)

 

Household hunger scale

0.3788

 Little to none

341 (40.2)

175 (19.3)

180 (31.3)

 

 Moderate to severe

355 (59.8)

166 (20.9)

163 (28.5)

 

Place of residence

 Urban

89 (5.2)

47 (2.0)

308 (48.6)

0.2418

 Rural

595 (94.8)

42 (3.2)

287 (46.2)

 

Geographical region

 North

230 (13.8)

117 (6.3)

113 (7.5)

0.6552

 Central

250 (41.8)

113 (21.6)

117 (20.2)

 

 South

204 (44.4)

105 (22.7)

99 (21.7)

 

Anemia

0.3050

 < 12 g/dL

129 (20.4)

270 (40.3)

59 (9.1)

 

 ≥ 12 g/dL

555 (79.6)

285 (39.3)

70 (11.3)

 

Serum ferritin

0.5665

 < 15 µg/L

30 (5.0)

311 (46.6)

18 (2.8)

 

 ≥ 15 µg/L

654 (95.0)

343 (48.4)

12 (2.2)

 

Soluble transferrin receptors (sTfR)

0.0797

 < 8.3 mg/L

490 (69.7)

249 (33.3)

106 (17.3)

 

 ≥ 8.3 mg/L

194 (30.3)

241 (36.5)

88 (13.0)

 
  1. *P-values from Rao-Scott Chi-Square test