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Table 6 Community state type distribution in pregnant and non-pregnant (menarcheal) cohorts by trial arm, iron deficiency and infection status

From: Effects of long-term weekly iron and folic acid supplementation on lower genital tract infection – a double blind, randomised controlled trial in Burkina Faso

Variable Visit Group n CST I
n (%)
CST III
n (%)
CST IV
n (%)
P valuea
Trial arm ANC1 Iron 144 70 (48.6) 39 (27.1) 35 (24.3) 0.518
Control 136 61 (44.9) 45 (33.1) 30 (22.1)  
FINb Iron 349 121 (34.7) 88 (25.2) 140 (40.1) 0.113
Control 341 140 (1.1) 66 (19.4) 135 (9.6)  
Iron deficiency, Adjusted ferritin ANC1 No 249 118 (47.4) 75 (30.1) 56 (22.5) 0.57
Yes 27 10 (37.0) 9 (33.3) 8 (29.6)  
FINb No 620 237 (38.2) 140 (22.6) 243 (39.2) 0.281
Yes 65 20 (30.8) 13 (20.0) 32 (49.2)  
Ratio sTfR/log ferritin ANC1 No 247 120 (48.6) 74 (30.0) 53 (21.5) 0.216
Yes 32 11 (34.4) 10 (31.2) 11 (34.4)  
FINb No 544 205 (37.7) 124 (22.8) 215 (39.5) 0.81
Yes 140 52 (37.1) 29 (20.7) 59 (42.1)  
Nugent scorec ANC1 7-10 15 0 (0) 1 (6.7) 14 (93.3) <0.001
4-6 31 7 (22.6) 6 (19.4) 18 (58.1) <0.001
0-3 221 116 (52.5) 74 (33.5) 31 (14.0) <0.001
FINb 7-10 80 2 (2.5) 6 (7.5) 72 (90.0) <0.001
4-6 60 11 (18.3) 6 (10.0) 43 (71.7) <0.001
0-3 501 232 (46.3) 132 (26.3) 137 (27.3) <0.001
T. vaginalis ANC1 No 243 121 (49.8) 73 (30.0) 49 (20.2) 0.006
Yes 37 10 (27.0) 11 (29.7) 16 (43.2)  
FINb No 655 260 (39.7) 149 (22.7) 246 (37.6) <0.001
Yes 35 1 (2.9) 5 (14.3) 29 (82.9)  
High pH ≥ 4.5 ANC1 No 123 73 (59.3) 37 (30.1) 13 (10.6) <0.001
Yes 153 58 (37.9) 45 (29.4) 50 (32.7)  
Vaginal discharge ANC1 No 260 122 (46.9) 80 (30.8) 58 (22.3) 0.268
Yes 20 9 (4.5) 4 (20.0) 7 (35.0)  
FINb No 618 232 (37.5) 144 (23.3) 242 (39.2) 0.205
Yes 69 28 (40.6) 10 (14.5) 31 (44.9)  
Antibiotics within previous three months ANC1 No 252 118 (46.8) 73 (29.0) 61 (24.2) NA
Yes 28 13 (46.4) 11 (39.3) 4 (14.3)  
FINb No 616 236 (38.3) 136 (22.1) 244 (39.6) NA
Yes 74 25 (33.8) 18 (24.3) 31 (41.9)  
  1. a P value for association between status and CST from a multinomial regression model adjusting for antibiotic use in the 3 months prior to assessment
  2. bMenarcheal women only
  3. cEach Nugent group compared to the other two. BV corresponds to Nugent score 7–10
  4. ANC1 first antenatal visit, CST community state type, FIN end assessment, sTfR serum transferrin receptor