Table 1.
Comparison of Baseline Characteristics of Study Participants Who Completed the Study and Those Lost to Follow-up
| Baseline Characteristics |
Completed (n = 90) |
Lost to Follow-up (n = 30)* |
P |
|---|---|---|---|
| Demographics | |||
| Mean age (years) | 23.1 ± 4.3 | 21.7 ± 4.2 | 0.1345 |
| Race (%) | |||
| African American | 84.4 | 78.6 | 0.0547 |
| White | 7.8 | 17.9 | |
| Hispanic | 7.8 | 0.0 | |
| Other | 0.0 | 3.5 | |
| Education (%) | |||
| Elementary | 1.1 | 0.0 | 0.1422 |
| Junior high | 0.0 | 3.6 | |
| High school | 66.7 | 82.1 | |
| College | 30.0 | 14.3 | |
| Graduate school | 2.2 | 0.0 | |
| Mean body mass index (kg/m2) | 27.9 ± 7.5 | 28.2 ± 8.2 | 0.8899 |
| Lifestyle | |||
| Currently smoke (%) | 10.0 | 25.0 | 0.0429 |
| Currently drink (%) | 1.1 | 0.0 | 0.5754 |
| Currently use illicit drugs (%) | 0.0 | 0.0 | — |
| Marital status (%) | |||
| Single | 84.5 | 82.1 | 0.2341 |
| Widowed | 0.0 | 3.6 | |
| Married/Partner | 12.2 | 7.2 | |
| Divorced | 1.1 | 0.0 | |
| Separated | 2.2 | 7.1 | |
| Medical history | |||
| Insurance (%) | |||
| Private | 6.7 | 3.6 | 0.7512 |
| Medicaid | 87.7 | 92.8 | |
| None | 5.6 | 3.6 | |
| Prior pregnancy (%) | 31.1 | 32.1 | 0.9181 |
| Mean number of live births | 1.6 ± 1.0 | 1.3 ± 0.7 | 0.3044 |
| Periodontal variables | |||
| PD ≥4 mm | |||
| Mean number | 29.77 | 30.24 | 0.9380 |
| Mean % | 18.22 | 18.63 | 0.9119 |
| CAL ≥4 mm | |||
| Mean number | 7.36 | 6.72 | 0.8303 |
| Mean % | 4.55 | 4.20 | 0.8484 |
*
Marital status, education, smoking, and alcohol variables missing for one enrolled participant who was lost to follow-up.