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Table 2 On-time vaccinations, days off-schedule, and weekly vaccinations per facility, by vaccine type and region

From: Changes in on-time vaccination following the introduction of an electronic immunization registry, Tanzania 2016-2018: interrupted time-series analysis

Vaccine

Characteristics

Arusha

Kilimanjaro

Tanga

All Regions

DTP1

Number of eligible childrena

87,084

51,729

108,127

246,940

Vaccinated (%)

77,988 (89.6)

45,854 (88.6)

92,720 (85.8)

216,562 (87.7)

On-time vaccination (%)

49,349 (56.7)

35,384 (68.4)

58,210 (53.8)

142,943 (57.9)

Mean number of days off-schedule, (SD)

13 (34)

9 (32)

16 (47)

13 (40)

Early vaccination, pre-EIR (%)

719 (5.5)

1149 (4.1)

1756 (4.4)

3624 (4.4)

Early vaccination, post-EIR (%)

2200 (3.0)

686 (2.9)

2900 (4.3)

5786 (3.5)

On-time vaccination, pre-EIR (%)

7881 (60.5)

22,439 (79.1)

25,643 (63.9)

55,963 (68.7)

On-time vaccination, post-EIR (%)

41,468 (56.0)

12,945 (55.4)

32,567(47.9)

86,980 (52.6)

Mean vaccinations administered per facility per month- pre-EIR (SD)

17 (29)

7 (8)

12 (15)

11 (15)

Mean vaccinations administered per facility per month- post-EIR (SD)

16 (26)

11 (18)

18 (22)

16 (24)

DTP2

Number of eligible childrena

86,836

50,687

106,348

243,871

Vaccinated (%)

63,132 (72.7)

39,394 (77.7)

74,203 (69.8)

176,729 (72.5)

On-time vaccination (%)

51,565 (59.4)

33,764 (66.6)

55,549 (52.2)

140,878 (57.8)

Mean number of days off-schedule, (SD)

7 (25)

5 (19)

9 (29)

8 (25)

Early vaccination, pre-EIR (%)

445 (4.4)

801 (3.1)

1241 (3.6)

2487 (3.5)

Early vaccination, post-EIR (%)

2101 (2.7)

655 (2.6)

2496 (3.5)

5253 (3.0)

On-time vaccination, pre-EIR (%)

7834 (77.5)

22,423 (87.1)

25,236 (72.7)

55,493 (78.6)

On-time vaccination, post-EIR (%)

43,731 (57.0)

11,341 (45.5)

30,313 (42.3)

85,385 (51.4)

Mean vaccinations administered per facility per month- pre-EIR (SD)

17 (30)

7 (8)

12 (15)

10 (15)

Mean vaccinations administered per facility per month- post-EIR (SD)

17 (27)

11 (18)

19 (23)

16 (24)

DTP3

Number of eligible childrena

84,923

48,860

102,908

236,691

Vaccinated (%)

50,273 (59.2)

34,160 (70.0)

60,174 (58.5)

144,607 (61.1)

On-time vaccination (%)

40,713 (47.9)

29,200 (59.8)

44,185 (42.9)

114,098 (48.2)

Mean number of days off-schedule, (SD)

9 (32)

6 (25)

13 (38)

10 (33)

Early vaccination, pre-EIR (%)

288 (4.0)

775 (3.4)

966 (3.4)

2029 (3.4)

Early vaccination, post-EIR (%)

1742 (2.2)

566 (2.2)

2071 (2.8)

4379 (2.5)

On-time vaccination, pre-EIR (%)

5148 (71.0)

19,758 (86.0)

20,375 (71.0)

45,281 (76.8)

On-time vaccination, post-EIR (%)

35,565 (45.8)

9442 (36.5)

23,810 (32.1)

68,817 (38.7)

Mean vaccinations administered per facility per month- pre-EIR (SD)

16 (29)

7 (8)

11 (14)

9 (13)

Mean vaccinations administered per facility per month- post-EIR (SD)

17 (27)

11 (18)

19 (23)

17 (24)

MCV1

Number of eligible childrena

65,848

30,978

73,453

170,279

Vaccinated (%)

23,876 (36.3)

20,343 (65.7)

37,850 (51.5)

82,069 (48.2)

On-time vaccination (%)

6832 (10.4)

6953 (22.4)

13,194 (18.0)

26,979 (15.8)

Mean number of days off-schedule, (SD)

27 (49)

21 (41)

26 (47)

25 (47)

Early vaccination, pre-EIR (%)

1 (100)

1191 (12.8)

507 (8.5)

1699 (11.1)

Early vaccination, post-EIR (%)

2721 (4.1)

1166 (5.4)

2810 (4.2)

6697 (4.3)

On-time vaccination, pre- EIR (%)

0 (0)

3746 (40.2)

3084 (51.8)

6833 (44.7)

On-time vaccination, post- EIR (%)

6832 (10.4)

3206 (14.8)

10,108 (15.0)

20,146 (13.0)

Mean vaccinations administered per facility per month- pre-EIR (SD)

1 (NA)

5 (6)

7 (10)

6 (7)

Mean vaccinations administered per facility per month- post-EIR (SD)

17 (28)

9 (12)

17 (21)

15 (23)

  1. aChildren over the recommended age of vaccination (6 weeks for DTP1, 10 weeks for DTP2, 14 weeks for DTP3, and 9 months for MCV1) and under 2 years as of the time the data were pulled (September 2018)