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Table 2 Average costs (SEK) by cost components for different population groups and the differences between groups

From: Cost effectiveness of a controlled lifestyle intervention for pregnant women with obesity

Background characteristics ITT population PP population
Intervention Controls Difference Intervention Controls Difference
Mean
(95% CI)
Mean
(95% CI)
Unadjusted M (95% CI) Adjusted M (95% CI)† Mean
(95% CI)
Mean
(95% CI)
Unadjusted M (95% CI)
Adjusted M (95% CI)a
Total cost, including interpreter services 43,691 (41,073 to 46,309) 33,306 (32,180 to 34,433) 10,385 (7490 to 13,280)
9727 (6677 to 12,777)
42,707 (38,823 to 46,590) 33,218 (32,109 to 34,327) 9489 (5450 to 13,528)
8693 (4627 to 12,758)
Interpreter 510 (362 to 658) 91 (47 to 136) 418 (265 to 572)
10 (−13 to 33)
630 (329 to 932) 94 (50 to 139) 536 (222 to 850)
38 (−9 to 85)
Total cost, excluding interpreter services 43,181 (40,578 to 45,784) 33,215 (32,089 to 34,341) 9966 (7088 to 12,845)
9717 (6667 to 12,767)
42,076 (38,206 to 45,947) 33,124 (32,018 to 34,229) 8953 (4915 to 12,991)
8655 (4586 to 12,724)
Antenatal and childbirth costs
 Antenatal midwife visits 2314 (2261 to 2367) 2302 (2265 to 2339) 13 (− 50 to 76)
30 (− 35 to 95)
2471 (2383 to 2558) 2318 (2281 to 2356) 152 (51 to 253)
176 (75 to 277)
 Hospital-based care 34,333 (31,862 to 36,804) 30,157 (29,078 to 31,253) 4177 (1447 to 6907)
4784 (1866 to 7703)
32,296 (28,719 to 35,873) 30,180 (29,107 to 31,253) 2116 (− 1666 to 5897)
2348 (− 1438 to 6134)
 Specialized antenatal careb 9415 (6552 to 12,278) 2314 (1570 to 3058) 7101 (4163 to 10,038)
7706 (4583 to 10,829)
4821 (899–8742) 2356 (1624 to 3087) 2465 (−1180to − 6110)
2874 (− 800 to − 6548)
 Childbirthb 24,918 (23,561 to 26,276) 27,842 (26,893 to 28,791) − 2924 (4587 to − 1261)
− 2922 (− 4653 to − 1190)
27,475 (24,885 to 30,066) 27,825 (26,913 to 28,736) − 349 (− 3088 to 2389)
− 546 (− 3436 to 2384)
Intervention costs
 Food discussion groups led by a dietitian 1864 (1420 to 2309) 0 1864 (1392 to 2336)
2114 (1584 to 2645)
2863 (1788 to 3938) 0 2863 (1803 to 3923)
3079 (1967 to 4190)
 Individualized dietary advice from a dietitian 3557 (2686 to 4428) 665 (327 to 1004) 2892 (1986 to 3798)
2098 (1283 to 2914)
2911 (1441 to 4382) 531 (243 to 819) 2381 (869 to 3892)
2051 (689 to 3412)
 Pedometers 20 (18 to 23) 0 20 (18 to 23)
20 (18 to 23)
23 (18 to 29) 0 23 (18 to 29)
23 (18 to 29)
 Walking poles 36 (29 to 43) 0 36 (30 to 43)
37 (30 to 44)
54 (39 to 69) 0 54 (39 to 69)
55 (39 to 70)
 Aqua aerobics 545 (401 to 690) 0 545 (398 to 693)
622 (456 to 788)
828 (483 to 1173) 0 828 (478 to 1177)
886 (522 to 1249)
  1. CI Confidence interval, ITT Intention-to-treat, PP Per protocol, SEK Swedish krona.
  2. Figures are rounded.
  3. aAdjusted for country of birth, use of interpreter services, occupation, and BMI at enrolment.
  4. bFor 63 participants, specialized antenatal care records included inpatient care over SEK 20,000, which was assumed to include costs for childbirth and thus were not included as template costs based on Robson group.