Table 3 Factors associated with BCG vaccination by 1 month of age after implementation of monthly visits in intervention regions

Gender ²

0.492 / 0.662

0.099/0.070

Male

658 (77)

Ref

Ref

284 (50)

Ref

Ref

Female

620 (76)

0.93 (0.75-1.15)

1.05 (0.84-1.32)

260 (45)

0.82 (0.65-1.04)

0.78 (0.59-1.02)

Age of mother ³

0.582 / 0.615

0.998/0.979

1.quartile (<21)

339 (78)

Ref

Ref

125 (47)

Ref

Ref

2. quartile (21–26)

244 (78)

1.01 (0.68-1.49)

0.95 (0.59-1.53)

113 (47)

1.00 (0.69-1.47)

1.09 (0.69-1.71)

3. quartile (27–31)

357 (76)

0.90 (0.64-1.27)

0.86 (0.60-1.25)

153 (48)

1.01 (0.71-1.45)

1.03 (0.65-1.63)

4. quartile (>31)

335 (75)

0.83 (0.59-1.17)

0.80 (0.53-1.22)

153 (48)

1.03 (0.75-1.40)

1.07 (0.72-1.59)

Education of caretaker ^{4, 5}

0.003 / 0.377

0.018/0.771

None

607 (73)

1.08 (1.03-1.14)

1.03 (0.96-1.10)

317 (46)

1.07 (1.01-1.13)

0.99 (0.92-1.07)

1-4 years

323 (79)

118 (47)

5+ years

270 (83)

84 (59)

Region ⁶

<0.001 / 0.002

0.003/0.161

Oio

271 (70)

0.67 (0.46-0.95)

0.70 (0.49-1.02)

81 (40)

0.49 (0.31-0.77)

0.67 (0.40-1.09)

Biombo

528 (81)

1.21 (0.87-1.68)

1.34 (0.91-1.98)

42 (47)

0.67 (0.41-1.11)

0.92 (0.56-1.51)

Gabu

NA

NA

83 (40)

0.50 (0.31-0.82)

0.63 (0.36-1.10)

Cacheu

479 (77)

Ref

Ref

148 (57)

Ref

Ref

Bafata

NA

NA

42 (39)

0.48 (0.27-0.88)

0.54 (0.30-0.98)

Quinara

NA

NA

112 (57)

1.01 (0.59-1.73)

1.18 (0.68-2.04)

Tombali

NA

NA

24 (37)

0.44 (0.17-1.15)

0.69 (0.26-1.89)

Bubaque

NA

NA

6 (60)

1.13 (0.43-2.95)

1.61 (0.43-6.07)

Bolama

NA

NA

7 (70)

1.75 (0.52-5.94)

1.82 (0.30-10.99)

Ethnic group ⁷

0.109 / NA

<0.001/NA

Balanta

401 (73)

Ref

124 (41)

Ref

Mandinga/Fula

194 (76)

1.18 (0.81-1.73)

175 (39)

0.92 (0.66-1.28)

Manjaco

140 (79)

1.37 (0.79-2.38)

64 (67)

2.84 (1.49-5.40)

Pepel

426 (81)

1.60 (1.12-2.27)

35 (48)

1.31 (0.80-2.13)

Other

115 (74)

1.07 (0.66-1.73)

147 (63)

2.45 (1.65-3.65)

Contact with the health system

Birth place ⁸

0.369 / 0.515

<0.001/<0.001

At home

793 (76)

Ref

Ref

337 (43)

Ref

Ref

Healthcare centre

255 (81)

1.38 (0.95-1.99)

1.30 (0.83-2.03)

82 (53)

1.48 (1.01-2.16)

1.15 (0.76-1.74)

Hospital

192 (78)

1.17 (0.83-1.66)

0.96 (0.64-1.44)

106 (62)

2.18 (1.54-3.08)

1.81 (1.20-2.73)

Prenatal consultations ⁹

0.410 / 0.504

0.057/0.558

Yes

1093 (79)

1.16 (0.81-1.66)

0.86 (0.55-1.34)

460 (49)

1.55 (0.99-2.44)

1.20 (0.71-2.05)

No

124 (76)

Ref

Ref

42 (38)

Ref

Ref

Socioeconomics

Type of roof ¹⁰

0.048 / 0.128

<0.001/<0.001

Straw

493 (74)

Ref

Ref

151 (37)

Ref

Ref

Hard

777 (79)

1.35 (1.00-1.83)

1.28 (0.93-1.77)

386 (54)

1.97 (1.50-2.58)

1.74 (1.30-2.32)

Toilet ¹¹

0.039 / 0.188

0.136/0.706

None

445 (74)

Ref

Ref

100 (44)

Ref

Ref

Latrine/ toilet in house

819 (79)

1.32 (1.01-1.73)

1.24 (0.90-1.71)

439 (49)

1.23 (0.94-1.62)

0.93 (0.67-1.30)

Household possessions

Cell phone ¹²

0.011 / 0.136

0.009/0.347

Yes

747 (80)

1.38 (1.08-1.78)

1.25 (0.93-1.66)

311 (51)

1.39 (1.08-1.79)

1.15 (0.84-1.55)

No

501 (74)

Ref

Ref

221 (43)

Ref

Ref

Radio ¹³

0.183 / 0.303

0.159/0.841

Yes

958 (78)

1.21 (0.91-1.59)

1.17 (0.87-1.56)

422 (49)

1.24 (0.92-1.67)

1.05 (0.75-1.48)

No

295 (74)

Ref

Ref

109 (43)

Ref

Ref

Generator ¹⁴

0.020 / 0.083

0.234/0.636

Yes

149 (83)

1.51 (1.07-2.13)

1.46 (0.95-2.24)

53 (53)

1.27 (0.86-1.87)

0.89 (0.54-1.47)

No

1115 (76)

Ref

Ref

485 (47)

Ref

Ref