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Table 3 Programmatic factors by difference in delivery dates category (N = 4225)

From: Errors in estimated gestational ages reduce the likelihood of health facility deliveries: results from an observational cohort study in Zanzibar

Variable

Overall

Severe overestimate

36 days or more after ADD

Moderate overestimate

15 days to 35 days after ADD

Accurate

6 days before to 14 days after ADD

Underestimate

7 days or more before ADD

p-value*

Overall

 

1165 (28%)

969 (23%)

1738 (41%)

353 (8%)

 

Saved at least 100% of recommended savings

 No

1661 (39%)

535 (46%)

390 (40%)

605 (35%)

131 (37%)

< 0.001

 Yes

2468 (58%)

603 (52%)

563 (58%)

1087 (63%)

215 (61%)

 Missing

96 (2%)

27 (2%)

16 (2%)

46 (3%)

7 (2%)

ANC visits

 None

126 (3%)

71 (6%)

15 (2%)

36 (2%)

4 (1%)

< 0.001

 1

337 (8%)

195 (17%)

52 (5%)

72 (4%)

18 (5%)

 2

1027 (24%)

391 (34%)

215 (22%)

351 (20%)

70 (20%)

 3

1560 (37%)

345 (30%)

401 (41%)

693 (40%)

121 (34%)

 4

1175 (28%)

163 (14%)

244 (30%)

532 (34%)

325 (40%)

Total number of CHW visits

 1

1060 (25%)

838 (72%)

161 (17%)

51 (3%)

10 (3%)

< 0.001

 2

2208 (52%)

305 (26%)

677 (70%)

1100 (63%)

126 (36%)

 3+

955 (23%)

20 (2%)

131 (14%)

587 (34%)

217 (61%)

 Missing

2 (< 1%)

2 (< 1%)

0 (0%)

0 (0%)

0 (0%)

Location of Delivery

 At home

690 (16%)

218 (19%)

181 (19%)

241 (14%)

50 (14%)

0.001

 On the way

130 (3%)

42 (4%)

27 (3%)

52 (3%)

9 (3%)

 Health facility

3405 (81%)

905 (78%)

761 (79%)

1445 (83%)

294 (83%)

CHW postpartum visit within 24 h

 No

1781 (42%)

594 (51%)

422 (44%)

623 (36%)

142 (40%)

< 0.001

 Yes

2444 (58%)

571 (49%)

547 (56%)

1115 (64%)

211 (60%)

PNC visit occurred

 No

546 (13%)

218 (19%)

140 (14%)

150 (9%)

38 (11%)

< 0.001

 Yes

3679 (87%)

947 (81%)

829 (86%)

1588 (91%)

315 (89%)

  1. *Calculated using a chi-squared test statistic excluding the missing values included (if applicable)