Table 2 Distribution of Study Variables in the Population and Study Samples by Intervention Group
Variable | Control Group | Intervention Group | ||||
|---|---|---|---|---|---|---|
Population | Total Sample | Sub-sample with Mortality Outcome | Population | Total Sample | Sub-sample with Mortality Outcome | |
Overall Sample Size | 499 | 456 | 441 | 707 | 663 | 602 |
Maternal Age | 25.78 (6.89) | 25.77 (6.94) | 25.79 (6.89) | 26.37 (6.92) | 26.30 (6.86) | 26.29 (6.86) |
Number of prenatal visits | 5.58 (3.01) | 5.65 (2.95) | 5.66 (2.94) | 4.51 (3.51) | 4.56 (3.51) | 4.67 (3.51) |
Maternal chronic illness (N) | 469 | 431 | 419 | 702 | 659 | 598 |
No (%) | 395(84.2) | 358 (83.1) | 347 (82.8) | 548 (78.1) | 516 (78.3) | 471 (78.8) |
Yes (%) | 74(15.8) | 73 (16.9) | 72 (17.2) | 154 (21.9) | 143 (21.7) | 127 (21.2) |
Ethnic Ancestry (N) | 465 | 427 | 416 | 691 | 652 | 592 |
Black (%) | 51(11.0) | 51 (11.9) | 50 (12.0) | 81 (11.7) | 77 (11.8) | 68 (11.5) |
Native (%) | 348(74.8) | 313 (73.3) | 303 (72.8) | 523 (75.7) | 492 (75.5) | 449 (75.8) |
Other (%) | 66(14.2) | 63 (14.8) | 63 (15.1) | 87 (12.6) | 83 (12.7) | 75 (12.7) |
Birth weight (grams) | 2887.5 (788.5) | 2,863.5 (797.8) | 2870.8 (803.7) | 2881.9 (740.3) | 2,892.9(726.7) | 2871.3 (732.2) |
Gestational age (weeks) | 38.3 (3.4) | 38.3 (3.4) | 38.3 (3.5) | 38.5 (3.1) | 38.5 (3.1) | 38.4 (3.2) |
Time of cleft diagnosis (N) | 495 | 454 | 439 | 701 | 657 | 596 |
Prenatal (%) | 80 (16.2) | 76 (16.7) | 73 (16.6) | 174 (24.8) | 161 (24.5) | 145 (24.3) |
Other (%) | 415(83.8) | 378 (83.3) | 366 (83.4) | 527 (75.2) | 496 (75.5) | 451 (75.7) |
Sex (N) | 491 | 450 | 437 | 705 | 661 | 601 |
Male (%) | 275(56.0) | 250 (55.6) | 245 (56.1) | 394 (55.9) | 372 (56.3) | 338 (56.2) |
Female (%) | 216(44.0) | 200 (44.4) | 192 (43.9) | 311 (44.1) | 289 (43.7) | 263 (43.8) |
Multiple birth (N) | 496 | 455 | 440 | 707 | 663 | 602 |
No (%) | 484(97.6) | 443 (97.4) | 428 (97.3) | 688 (97.3) | 646 (97.4) | 586 (97.3) |
Yes (%) | 12 (2.4) | 12 ( 2.6) | 12 (2.7) | 19 (2.7) | 17 ( 2.6) | 16 (2.7) |
Associated Status (N) | 499 | 456 | 441 | 707 | 663 | 602 |
Isolated (%) | 361(72.3) | 325 (71.3) | 313 (71.0) | 478 (67.6) | 451 (68.0) | 405 (67.3) |
Associated (%) | 138(27.7) | 131 (28.7) | 128 (29.0) | 229 (32.4) | 212 (32.0) | 197 (32.7) |
Type of Cleft (N) | 496 | 455 | 441 | 706 | 663 | 602 |
Palate only (%) | 129(26.0) | 121 (26.6) | 118 (26.8) | 197(27.9) | 181 (27.3) | 163 (27.1) |
Lip only (%) | 87(17.5) | 77 (16.9) | 75 (17.0) | 120(17.0) | 111 (16.7) | 101 (16.8) |
Lip and Palate (%) | 280(56.5) | 257 (56.5) | 248 (56.2) | 389(55.1) | 371 (56.0) | 338 (56.2) |
Type of Delivery (N) | 492 | 451 | 436 | 707 | 663 | 602 |
Cesarean (%) | 184(37.4) | 168 (37.3) | 163 (37.4) | 280(39.6) | 258 (38.9) | 238 (39.5) |
Other (%) | 308 (62.6) | 283 (62.7) | 273 (62.6) | 427 (60.4) | 405 (61.1) | 364 (60.5) |