Table 1

Characteristics of the measles-unvaccinated children followed in the MVEPI trial

Children aged 12–35 months at eligibility assessmentAll children
Restrictive-MV-policy n (%)MV-for-all n (%)P valueRestrictive-MV-policy n (%)MV-for-all n (%)P value
Sex of child0.840.69
Boy675 (49)696 (49)1157 (50)1187 (49)
Girl698 (51)709 (51)1182 (50)1241 (51)
Region*<0.001<0.001
Oio251 (18)186 (13)387 (17)312 (13)
Biombo145 (11)164 (12)246 (11)291 (12)
Gabu195 (14)164 (12)362 (16)307 (13)
Cacheu69 (5)84 (6)113 (5)136 (6)
Bafata170 (12)236 (17)327 (14)429 (18)
Quinara169 (12)160 (11)304 (13)312 (13)
Tombali202 (15)221 (16)340 (15)377 (16)
Bubaque54 (4)66 (5)79 (3)82 (3)
Bolama29 (2)17 (1)51 (2)27 (1)
Sao Domingos89 (7)107 (8)130 (6)155 (6)
Season of eligibility assessment0.560.67
Rainy season698 (51)730 (52)1211 (52)1242 (51)
Dry season675 (49)675 (48)1128 (48)1186 (49)
Maternal age at birth of eligible child0.580.35
<20 years218 (16)255 (19)377 (16)439 (18)
20–24 years366 (27)368 (27)628 (27)628 (26)
25–29 years330 (25)341 (25)568 (25)576 (24)
30–34 years245 (18)232 (17)422 (18)412 (17)
35+ years179 (13)181 (13)302 (13)329 (14)
Ethnicity of mother<0.001<0.001
Fula285 (22)298 (23)528 (24)563 (24)
Balanta478 (37)418 (32)755 (34)652 (28)
Mandinga236 (18)217 (16)417 (19)388 (17)
Manjaco45 (4)39 (3)75 (3)66 (3)
Pepel115 (9)161 (12)187 (9)287 (12)
Other123 (10)188 (14)247 (11)354 (15)
Maternal schooling0.520.28
Never went to school887 (67)890 (66)1514 (67)1545 (66)
Went to school430 (33)455 (34)750 (33)802 (34)
Was the child a twin?0.300.11
Yes35 (2)45 (3)65 (3)87 (4)
No1338 (98)1360 (97)2274 (97)2341 (96)
Type of roof0.170.16
Straw628 (48)675 (51)1041 (46)1128 (48)
Hard679 (52)655 (49)1214 (54)1211 (52)
Toilet0.620.88
No toilet384 (30)379 (29)601 (27)619 (27)
Latrine or inside917 (70)945 (71)1642 (73)1709 (73)
Radio0.690.94
Yes950 (73)951 (73)1660 (74)1712 (74)
No348 (27)361 (28)580 (26)601 (26)
Received all pentavalent vaccines before eligibility assessment0.390.26
Yes806 (59)802 (57)1414 (60)1429 (59)
No567 (41)603 (43)925 (40)999 (41)
Received a missing pentavalent vaccine at eligibility assessment11 (2)20 (3)0.14282 (30)359 (36)0.01
Mean age at eligibility assessment (months (SD))19 (7)19 (7)0.7115 (7)15 (7)0.98
Eligible for OPV campaign before enrolment1369 (100)1394 (99)0.082255 (96)2324 (96)0.22
Eligible for MV campaign before enrolment59 (4)68 (5)0.4959 (3)68 (3)0.55
Among children enrolled in the study
Enrolled in the study1259 (92)1286 (91)0.872195 (94)2284 (95)0.74
Anthropometrics at enrolment
Mean MUAC, mm (SD)143 (12)144 (11)0.17142 (12)143 (12)0.35
Mean mothers MUAC, mm (SD)265 (30)267 (30)0.30265 (30)267 (31)0.15
Mean weight, kg (SD)9.19 (1.68)9.34 (1.63)0.158.63 (1.62)8.70 (1.62)0.38
Mean temperature, °C (SD)36.3 (0.5)36.3 (0.5)0.1736.3 (0.5)36.3 (0.5)0.35
Fever at enrolment (n (%))63 (5)71 (6)0.57109 (5)122 (5)0.58
Coughing at enrolment (n (%))56 (5)62 (5)0.65109 (5)121 (5)0.61
Diarrhoea at enrolment (n (%))49 (4)53 (4)0.7798 (5)105 (5)0.83
Vomiting at enrolment (n (%))13 (1)16 (1)0.6235 (2)33 (2)0.68
  • Proportions compared by χ2 test. Means compared by linear regression with cluster robust SE.

  • *Cacheu and São Domingos are combined as one health region in the national system, but are two administrative regions in the Bandim health and demographic surveillance system.

  • MUAC, mid upper-arm circumference; MV, measles vaccine; OPV, oral polio vaccine.