Table 3 Comparison of concordant vs. discordant reports by sociodemographic characteristics at 9-months, 24 months and 54 months (row percentage%)
0-9 m | 0-24-months | 24-54-months data collection wave | |||||||
|---|---|---|---|---|---|---|---|---|---|
Variables | Concordant * 5142 (91%) | Discordant # 495(9%) | P-value | Concordant 4333(79%) | Discordant 1178(21%) | P-value | Concordant 3987(71%) | Discordant 1637(29%) | P-value |
Maternal age | < 0.001 | < 0.001 | 0.003 | ||||||
< 25 years | 830 (87.7) | 116(12.3) | 674(70.6) | 280(29.4) | 659(66.9) | 326(33.1) | |||
25 to 34 | 2828 (91.4) | 265(8.6) | 2453(79.3) | 639(20.7) | 2245(71.0) | 915(29.0) | |||
>=35 | 1358 (93.2) | 99(6.8) | 1204(82.3) | 258(17.7) | 1080(73.2) | 396(26.8) | |||
Maternal ethnicity | < 0.001 | < 0.001 | < 0.001 | ||||||
Māori | 627 (87.9) | 86(12.1) | 522(73.0) | 193(27.0) | 503(67.8) | 239(32.2) | |||
Pacific | 567 (85.0) | 100(15.0) | 442(66.4) | 224(33.6) | 418(59.1) | 289(40.9) | |||
European | 2988(92.9) | 227(7.1) | 2660(82.4) | 570(17.6) | 2441(75.3) | 801(24.7) | |||
Asian | 668(93.1) | 50(6.9) | 554(77.9) | 157(22.1) | 492(66.1) | 252(33.9) | |||
Others | 155(91.7) | 14(8.3) | 140(82.3) | 30(17.7) | 117(68.8) | 53(31.2) | |||
Maternal Education | < 0.001 | < 0.001 | < 0.001 | ||||||
No secondary school | 288(84.5) | 53(15.5) | 239(69.9) | 103(30.1) | 226(62.6) | 135(37.4) | |||
Secondary/NCEA1-4 | 1103(90.4) | 117(9.6) | 924(75.8) | 295(24.2) | 846(67.1) | 414(32.9) | |||
Diploma/Trade cert./NCEA 5–6 | 1530(91.5) | 142(8.5) | 1306(77.9) | 370(22.1) | 1217(71.3) | 489(28.7) | |||
Bachelor’s deg. | 1240(92.3) | 103(7.7) | 1096(81.5) | 249(18.5) | 1003(73.6) | 359(26.4) | |||
Higher degree | 845(93.2) | 62(6.8) | 758(83.0) | 155(17.0) | 683(74.2) | 237(25.8) | |||
NZDep** | < 0.001 | < 0.001 | < 0.001 | ||||||
Low (1–3) | 1376(93.5) | 95(6.5) | 1208(81.7) | 270(18.3) | 1091(73.4) | 396(26.6) | |||
Medium (4–7) | 1918(92.8) | 149(7.2) | 1695(81.8) | 378(18.2) | 1550(73.8) | 550(26.2) | |||
High (8–10) | 1721(87.9) | 236(12.1) | 1427(73.0) | 529(27.0) | 1343(66.1) | 690(33.9) | |||
Parity | 0.366 | - | |||||||
First | 2084(90.9) | 209(9.1) | - | - | - | - | |||
Subsequent | 2927(91.6) | 269(8.4) | - | - | - | - | |||
Sibling 16 M/54 M | 0.001 | 0.001 | |||||||
0 | - | - | - | 1709(80.7) | 409(19.3) | 459(68.8) | 208(31.2) | ||
1 | - | - | - | 1495(78.6) | 407(21.4) | 1737(73.0) | 642(27.0) | ||
2 | - | - | - | 676(77.7) | 194(22.3) | 1037(71.7) | 410(28.3) | ||
3+ | - | - | - | 453(72.9) | 168(27.1) | 754(66.7) | 377(33.3) | ||
Planned pregnancy | < 0.001 | < 0.001 | < 0.001 | ||||||
Yes | 3163(92.4) | 259(7.6) | 2781(81.2) | 642(18.8) | 2526(72.7) | 947(27.3) | |||
No | 1832(89.5) | 215(10.5) | 1528(74.2) | 531(25.8) | 1439(67.8) | 682(32.2) | |||
Maternal Birthplace | 0.345 | 0.023 | < 0.001 | ||||||
New Zealand | 3340(91.5) | 309(8.5) | 2905(79.4) | 754(20.6) | 2712(73.1) | 998(26.9) | |||
other | 1611(90.8) | 164(9.2) | 1363(76.7) | 414(23.3) | 1219(66.4) | 616(33.6) | |||