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. 2021 Apr 20;16(4):e0250350. doi: 10.1371/journal.pone.0250350

Table 1. Baseline characteristics and prevalence of anaemia in late gestation.

Variable N Mean SD
Age (years) 1181 27.1 5.93
Socio-demographic Variable Hb at 36 weeks n (%) 717(62.6) 429(37.4) N (1146) Pearson chi-square P-value
Age (years) Anaemic Non- Anaemic
<24 272(69.4) 120(30.6) 392 13.1043 0.004
25–29 226(60.8) 146(39.2) 372
30–34 135(56.2) 105(43.8) 240
35+ 84(59.2) 58(40.8) 142
Marital status
Married 655(61.7) 406(38.3) 1061 4.2201 0.04
Single 62(72.9) 23(27.1) 85
Religion
Christian 63(50.4) 62(49.6) 125 8.8658 0.003
Muslim 654(64.1) 367(35.9) 1021
Residence/locality
Rural 117(75.0) 39(25.0) 156 13.9633 0.001
Peri-urban 143(64.7) 78(35.3) 221
Urban 457 (59.4) 312(40.6) 769
Educational level
No school 385(68.9) 174(31.1) 559 28.1892 <0.001
Primary 151(61.1) 96(38.9) 247
Secondary 105(59.3) 72(40.7) 177
College/tertiary 76(46.6) 87(53.4) 163
Occupation
Farmer 33(80.5) 8(19.5) 41 51.6898 <0.001
Artisan 143(64.4) 79(35.6) 222
Salaried worker 64(43.2) 84(56.8) 148
Trading 312(62.2) 190(37.8) 502
Unemployed 130(78.8) 35(21.2) 165
Other 35(51.5) 33(48.5) 68
Ethnicity
Dagomba 556(63.0) 327(37.0) 883 0.2651 0.60
Other ethnicity 161(61.2) 102(38.8) 263
Gravidity Positive Negative
Primigravidae 218(61.2) 127(36.8) 345 0.2529 0.88
Secundigravidae 164(63.3) 95(36.7) 259
Multigravidae 335(61.8) 207(38.2) 542
Trimester at 1st ANC
First trimester 280(56.6) 215(43.4) 495 18.0398 <0.001
Second trimester 406(66.1) 208(33.9) 614
Third trimester 31(83.8) 6(16.2) 37
Parity
Nulliparous 235(61.2) 149(38.8) 384 2.5880 0.27
Primiparous 166(66.9) 82(33.1) 248
Multiparous 316(61.5) 198(38.5) 514

Note: Data presented as count (percent). Categorical variables compared using Chi-square test and p<0.05 considered statistically significant.