Table 2.
Summary Demographic Data on the 249 Participants With Any Fertility Monitor Data in the BioCycle Study, Buffalo, New York, 2005–2007
| Variable | No. | % |
| Study cycles completed | ||
| 1 | 8 | 3.2 |
| 2 | 241a | 96.8 |
| Age, years | ||
| 18–24 | 127 | 51.0 |
| 25–29 | 39 | 15.7 |
| 30–34 | 19 | 7.6 |
| 35–39 | 32 | 12.9 |
| 40–44 | 32 | 12.9 |
| Race/ethnicity | ||
| White, non-Hispanic | 148 | 59.4 |
| Black, non-Hispanic | 46 | 18.5 |
| Other | 55 | 22.1 |
| Education | ||
| High school degree or less | 30 | 12.1 |
| Some college or associate's degree | 117 | 47.0 |
| College degree or higher | 102 | 41.0 |
| Student | ||
| No | 87 | 35.1 |
| Full time | 142 | 57.3 |
| Part time | 19 | 7.7 |
| Missing | 1 | |
| Marital status | ||
| Married or living as married | 64 | 25.7 |
| Neither married nor living as married | 185 | 74.3 |
| Income | ||
| ≤$19,999 | 51 | 20.7 |
| $20,000–$39,999 | 60 | 24.3 |
| $40,000–$74,999 | 69 | 27.9 |
| $75,000–$99,999 | 43 | 17.4 |
| ≥$100,000 | 24 | 9.7 |
| Missing | 2 | |
| Gravidity | ||
| 0 | 168 | 69.1 |
| 1 | 16 | 6.6 |
| ≥2 | 59 | 24.3 |
| Missing | 6 |
a
A total of 241 women with any monitor data participated in the study for 2 cycles; they did not necessarily have monitor data for both cycles.