Table 2.
Descriptive statistics and one-way anova results between predictor variables and well baby visits received by age three years for Medicaid-enrolled infants (n = 6,085)
| Variable | n | % | Mean number of well baby visits | P-value |
|---|---|---|---|---|
| Infant variables |
|
|
|
|
| Had a chronic health condition in the first 16 months of life |
|
|
|
P < .0001 |
| No |
4056 |
66.7 |
5.98 |
|
| Yes |
2029 |
33.3 |
6.61 |
|
| Eligible for Medicaid through the Supplemental Security Income (SSI) Program |
|
|
|
P = .038 |
| No |
5958 |
97.9 |
6.20 |
|
| Yes |
127 |
2.1 |
5.80 |
|
| Maternal variables |
|
|
|
|
| Age (years) |
|
|
|
P < .0001 |
| <18 |
510 |
8.4 |
6.52 |
|
| 18 to 20 |
1641 |
27.0 |
6.26 |
|
| 21 to 29 |
3056 |
50.2 |
6.15 |
|
| ≥30 |
877 |
14.4 |
6.00 |
|
| Race |
|
|
|
P < .0001 |
| White |
5235 |
87.5 |
6.23 |
|
| Non-White |
760 |
12.5 |
5.91 |
|
| Education |
|
|
|
P = .006 |
| Less than high school |
4586 |
75.4 |
6.24 |
|
| High school or more |
1443 |
23.7 |
6.06 |
|
| Missing |
56 |
0.9 |
- |
|
| Marital status |
|
|
|
P = .010 |
| Married |
1766 |
29.0 |
6.08 |
|
| Other |
4319 |
71.0 |
6.24 |
|
| Prenatal visit quartiles (number of prenatal visits) |
|
|
|
P = .002 |
| 1st quartile (less than 10 visits) |
1435 |
23.6 |
6.00 |
|
| 2nd quartile (10 to 11 visits) |
1335 |
21.9 |
6.19 |
|
| 3rd quartile (12 to 13 visits) |
1561 |
25.7 |
6.24 |
|
| 4th quartile (14 or more visits) |
1535 |
25.2 |
6.27 |
|
| Missing |
219 |
3.6 |
- |
|
| Self-reported maternal alcohol use during pregnancy |
|
|
|
P = .797 |
| No |
5801 |
95.3 |
6.19 |
|
| Yes |
158 |
2.6 |
6.15 |
|
| Missing |
126 |
2.1 |
- |
|
| Self-reported maternal smoking status during pregnancy |
|
|
|
P = .065 |
| No |
3848 |
63.2 |
6.23 |
|
| Yes |
2137 |
35.1 |
6.12 |
|
| Missing |
100 |
1.6 |
- |
|
| Health system variables |
|
|
|
|
| Rurality |
|
|
|
P = .895 |
| Rural |
355 |
5.8 |
6.14 |
|
| Urban non-adjacent to metropolitan |
1172 |
19.3 |
6.18 |
|
| Urban adjacent to metropolitan |
1183 |
19.4 |
6.23 |
|
| Metropolitan |
3375 |
55.5 |
6.19 |
|
| Enrollment in a health maintenance organization (HMO) plan |
|
|
|
P < .0001 |
| No |
3673 |
60.4 |
6.75 |
|
| Yes |
2412 |
39.6 |
5.35 |
|
| Recipient of MediPASS primary care case management services |
|
|
|
P < .0001 |
| No |
4155 |
68.3 |
5.84 |
|
| Yes | 1930 | 31.7 | 6.96 |