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Table 3 Vaccination coverage among surveyed children between baseline and end-line in intervention and control groups a

From: Effectiveness of a smartphone app on improving immunization of children in rural Sichuan Province, China: a cluster randomized controlled trial

  Intervention group Control group Total
Baseline (n = 105), % (95 % CI) End-line (n = 101), % (95 % CI) P value Baseline (n = 109), % (95 % CI) End-line (n = 104), % (95 % CI) P value Baseline (n = 214), % (95 % CI) End-line (n = 205), % (95 % CI) P value
BCG 97.3(92.2-99.1) 100.0(96.3-100.0) 0.247* 97.1(91.9-99.0) 99.0(94.8-99.8) 0.622* 97.2(94.0-98.7) 99.5(97.3-99.9) 0.122*
HBV1 99.1(95.0-99.8) 100.0(96.3-100.0) 0.122* 96.2(90.6-98.5) 100(96.5-100) 1.000* 97.7(94.6-99.0) 100(98.2-100) 0.061*
HBV2 95.4(89.7-98.0) 98.0(93.1-99.5) 0.171* 93.3(86.9-96.7) 97.1(91.9-99.0) 0.722* 94.4(90.5-96.8) 97.6(94.4-99.0) 0.100
HBV3 84.4(76.4-90.0) 92.1(85.1-95.9) 0.031 81.9(73.5-88.1) 94.2(88.1-97.4) 0.021 83.2(77.6-87.6) 93.2(88.9-95.9) 0.002
OPV1 97.3(92.2-99.1) 100.0(96.3-100.0) 0.163 98.1(93.3-99.5) 98.1(93.3-99.5) 0.689 97.7(94.6-99.0) 99.0(96.5-99.7) 0.277
OPV2 92.7(86.2-96.2) 97.0(91.6-99.0) 0.138 92.4(85.7-96.1) 96.2(90.6-98.5) 0.269 92.5(88.2-95.3) 96.6(93.1-98.3) 0.450
OPV3 85.3(77.5-90.8) 96.0(90.3-98.5) 0.028 87.6(80.0-92.6) 90.4(83.4-94.8) 0.259 86.5(81.2-90.4) 93.2(88.9-95.9) 0.023
DPT1 98.2(93.6-99.5) 98.0(93.1-99.5) 0.06 92.4(85.7-96.1) 95.2(89.3-98.0) 0.224 95.3(91.6-97.4) 96.6(93.1-98.3) 0.514*
DPT2 88.1(80.7-92.9) 95.1(88.9-97.9) 0.091 88.6(81.1-93.3) 92.3(85.7-96.1) 0.300 88.3(83.3-92.0) 93.7(89.5-96.3) 0.057
DPT3 83.5(75.4-89.3) 90.1(82.7-94.5) 0.181 83.8(75.6-89.6) 89.4(82.2-94.1) 0.207 83.6(78.1-88.0) 89.8(84.9-93.2) 0.066
MV 84.4(76.4-90.0) 96.0(90.3-98.5) 0.001 81.0(72.4-87.3) 90.4(83.4-94.8) 0.190 82.7(77.1-87.2) 93.2(88.9-95.9) 0.001
Five-vaccine immunization** 67.0(57.7-75.1) 84.2(75.8-90.0) 0.028 71.4(62.2-79.2) 81.7(73.5-88.1) 0.014 69.2(62.7-75.0) 82.9(77.2-87.5) 0.001
  1. BCG Bacillus Chalmette Guerin vaccine, HBV1,HBV2, HBV3 1 or 2 or 3 doses of Hepatitis B vaccine, DPT1 DPT2 DPT3 1 or 2 or 3 doses of Pertussis Tetanus Combined vaccine, OPV1 OPV2 OPV3 1 or 2 or 3 doses of Oral Poliomyelitis Vaccine, MV Measles Vaccine
  2. a Chi-square tests were used to compare immunization coverage between baseline and end-line survey unless otherwise specified
  3. *Fisher exact tests were used to compare immunization coverage between baseline and end-line survey
  4. **Five-vaccine immunization indicates1 dose of BCG and measles, and 3 doses of HBV, DPT, OPV