Table 1. Demographic characteristics of construction apprentices in the MassBUILT study (n = 1,775)a.
| N | % | |
|---|---|---|
| Gender | ||
| Male | 1,645 | 95.2 |
| Female | 83 | 4.8 |
| Age(years) | ||
| 18–24 | 578 | 32.6 |
| 25–34 | 859 | 48.4 |
| 35–44 | 302 | 17.0 |
| 45– | 36 | 2.0 |
| Race | ||
| Hispanic | 63 | 3.8 |
| Black | 119 | 7.2 |
| Other | 112 | 6.8 |
| White | 1,361 | 82.3 |
| Education | ||
| Less than high school | 21 | 1.3 |
| High school or GED | 857 | 50.9 |
| Some college or 2-year degree | 654 | 28.8 |
| 4-year college or more | 152 | 9.0 |
| Annual income ($) | ||
| <25,000 | 98 | 6.5 |
| 25,000–49,999 | 562 | 37.2 |
| 50,000–74,999 | 384 | 25.5 |
| >75,000 | 465 | 30.8 |
| Years of apprenticeship program | ||
| 1 | 330 | 18.5 |
| 2 | 438 | 24.5 |
| 3 | 393 | 22.0 |
| 4 | 303 | 17.0 |
| 5 | 321 | 18.0 |
| Apprentice sites | ||
| Plumbers | 154 | 8.7 |
| Electricians | 59 | 3.3 |
| Bricklayers | 148 | 8.3 |
| Ironworkers | 109 | 6.1 |
| Painters and allied trades | 114 | 6.4 |
| Sprinkler fitters | 78 | 4.4 |
| Pipefitters | 279 | 15.7 |
| Electricians 2nd group | 681 | 38.4 |
| Operating engineers | 30 | 1.7 |
| Plumbers and pipefitters | 123 | 6.9 |
GED general education development
a
Totals do not add up to the same number because values were calculated prior to imputing missing covariates