Table 3

Multivariate logistic regression of factors associated with rotavirus vaccination series initiation and completion

Characteristics*Series initiation†Series completion‡
Received 0 doses, % (n)Received ≥1 dose, % (n)Unadjusted OR for not initiating§ (95% CI)Adjusted OR for not initiating§ (95% CI)Received 0 or one doses, % (n)Received at least two doses, % (n)Unadjusted OR for not completing¶ (95% CI)Adjusted OR for not completing¶** (95% CI)
Income
 Q5 (highest)10.05 (1688)89.95 (15104)RefN/A13.55 (2276)86.45 (14516)RefN/A
 Q411.84 (1744)88.16 (12982)1.20 (1.12 to 1.29)N/A15.79 (2325)84.21 (12401)1.20 (1.12 to 1.27)N/A
 Q313.28 (1449)86.72 (9465)1.37 (1.27 to 1.48)N/A17.58 (1919)82.42 (8995)1.36 (1.27 to 1.45)N/A
 Q214.50 (1683)85.50 (9927)1.52 (1.41 to 1.63)N/A19.40 (2252)80.60 (9358)1.54 (1.44 to 1.64)N/A
 Q1 (lowest)16.96 (2060)83.04 (10086)1.83 (1.71 to 1.96)N/A22.53 (2736)77.47 (9410)1.85 (1.74 to 1.97)N/A
Location of residence
 Urban11.06 (6008)88.94 (48336)RefN/A15.37 (8351)84.63 (45993)RefN/A
 Rural22.09 (2616)77.91 (9228)2.28 (2.17 to 1.92)N/A26.65 (3157)73.35 (8687)2.00 (1.91 to 2.10)N/A
Income and location of residence (interaction term)
 Urban-Q59.63 (1446)90.37 (13564)RefRef13.02 (1954)86.98 (13056)RefRef
 Urban-Q410.83 (1369)89.17 (11270)1.14 (1.05 to 1.23)1.08 (1.00 to 1.17)14.82 (1873)85.18 (10766)1.16 (1.09 to 1.25)1.09 (1.02 to 1.17)
 Urban-Q312.06 (1025)87.94 (7476)1.29 (1.18 to 1.40)1.17 (1.07 to 1.28)16.48 (1401)83.52 (7100)1.32 (1.22 to 1.42)1.19 (1.10 to 1.29)
 Urban-Q212.05 (1087)87.95 (7932)1.29 (1.18 to 1.40)1.12 (1.03 to 1.22)16.88 (1522)83.12 (7497)1.36 (1.26 to 1.50)1.17 (1.09 to 1.26)
 Urban-Q111.78 (1081)88.22 (8094)1.25 (1.15 to 1.36)1.02 (0.93 to 1.11)17.45 (1601)82.55 (7574)1.41 (1.31 to 1.52)1.14 (1.06 to 1.23)
 Rural-Q513.58 (242)86.42 (1540)1.47 (1.27 to 1.71)1.18 (1.02 to 1.37)18.07 (322)81.93 (1460)1.47 (1.29 to 1.68)1.16 (1.01 to 1.32)
 Rural-Q417.97 (375)82.03 (1712)2.06 (1.82 to 2.33)1.61 (1.42 to 1.83)21.66 (452)78.34 (1635)1.85 (1.65 to 2.07)1.42 (1.26 to 1.60)
 Rural-Q317.57 (424)82.43 (1989)2.00 (1.78 to 2.25)1.54 (1.35 to 1.72)21.47 (518)78.53 (1895)1.83 (1.64 to 2.04)1.36 (1.22 to 1.52)
 Rural-Q223.00 (596)77.00 (1995)2.80 (2.52 to 3.12)1.93 (1.73 to 2.16)28.17 (730)71.83 (1861)2.62 (2.38 to 2.89)1.78 (1.61 to 1.98)
 Rural-Q132.95 (979)67.05 (1992)4.61 (4.20 to 5.06)3.16 (2.86 to 3.48)38.20 (1135)61.80 (1836)4.13 (3.78 to 4.51)2.79 (2.55 to 3.07)
Maternal age (in years)
 Over 4015.66 (250)84.34 (1346)RefRef20.11 (321)79.89 (1275)RefRef
 36–4011.87 (1014)88.13 (7529)0.73 (0.62 to 0.84)0.76 (0.65,0.89)15.50 (1324)84.50 (7219)0.73 (0.64 to 0.83)0.77 (0.67 to 0.89)
 31–3511.53 (2582)88.47 (19 807)0.70 (0.61 to 0.81)0.84 (0.73 to 0.97)15.11 (3382)84.89 (19 007)0.71 (0.62 to 0.80)0.86 (0.75 to 0.98)
 26–3012.50 (2814)87.50 (19 706)0.77 (0.67 to 0.89)1.05 (0.90 to 1.21)16.85 (3795)83.15 (18 725)0.81 (0.71 to 0.91)1.11 (0.97 to 1.27)
 21–2517.51 (1668)82.49 (7858)1.14 (0.99 to 1.32)1.71 (1.47 to 2.00)23.71 (2259)76.29 (7267)1.24 (1.08 to 1.41)1.82 (1.58 to 2.10)
 Under 2119.43 (411)80.57 (1704)1.30 (1.09 to 1.54)2.48 (2.10 to 2.99)27.09 (573)72.91 (1542)1.48 (1.26 to 1.72)2.58 (2.18 to 3.05)
No of children in the household
 18.15 (2307)91.85 (26 002)RefRef11.68 (3307)88.32 (25 002)RefRef
 212.79 (3013)87.21 (20 551)1.65 (1.56 to 1.75)1.90 (1.78 to 2.01)17.07 (4022)82.93 (19 542)1.56 (1.48 to 1.64)1.82 (1.73 to 1.92)
 318.33 (1748)81.67 (7790)2.53 (2.37 to 2.71)2.96 (2.76 to 3.18)23.58 (2249)76.42 (7289)2.33 (1.20 to 2.48)2.82 (2.65 to 3.01)
 4 or more31.66 (1671)68.34 (3607)5.22 (4.86 to 5.61)6.09 (5.62 to 6.59)39.33 (2076)60.67 (3202)4.90 (2.59 to 5.24)5.99 (5.57 to 6.44)
Gestation age at birth
 Term
 (≥36 weeks
12.94 (8228)87.06 (55 378)RefRef17.28 (10 993)82.72 (52 613)RefRef
 Preterm
 (<36 weeks)
16.57 (511)83.43 (2572)1.34 (1.21 to 1.48)1.30 (1.17 to 1.44)21.44 (661)78.56 (2422)1.31 (1.20 to1.43)1.26 (1.15 to 1.39)
Maternal marital status
 Married12.86 (6370)87.14 (43 178)RefRef16.59 (8219)83.41 (41 329)RefRef
 Not married13.76 (2316)86.24 (14 512)1.08 (1.03 to 1.14)0.97 (0.91 to 1.02)20.01 (3368)79.99 (13 460)1.26 (1.20 to 1.32)1.12 (1.06 to 1.17)
Sex
 Male13.02 (4406)86.98 (29 443)RefRef17.38 (5883)82.62 (27 966)RefRef
 Female13.19 (4333)86.81 (28 507)1.02 (0.97 to 1.06)1.01 (0.96 to 1.06)17.57 (5771)82.43 (27 069)1.01 (0.97 to 1.06)1.01 (0.97 to 1.05)
Year
 201513.19 (4154)86.81 (27 341)RefRef17.40 (5479)82.45 (29 019)RefRef
 201613.03 (4585)86.97 (30 609)1.01 (0.97 to 1.06)0.99 (0.94 to 1.03)17.55 (6175)82.60 (26 016)0.99 (0.95 to 1.03)1.02 (0.98 to 1.06)
  • *Year and sex did not meet the criteria for inclusion in the model (statistical significance >0.35).

  • †Series initiation is defined as the percent of the cohort who received at least one dose of rotavirus vaccine between 6 weeks and 8 months of age.

  • ‡Series completion is defined as the percent of the cohort who received at least two doses of rotavirus vaccine between 6 weeks and 8 months of age, with at least 28 days between doses.

  • §Odds of not being vaccinated with rotavirus vaccine compared with receiving at least one dose of the rotavirus vaccine.

  • ¶Odds of not being vaccinated with two doses of the rotavirus vaccine compared with receiving at least two doses of the rotavirus vaccine.

  • **Adjusted OR controls for all variables in the model and statistically significant interaction.