TABLE 1.
Demographic information and Pearson χ2 for sample of traditional laboratory and SEA-PHAGES (n = 1643)
| Demographic category | SEA-PHAGES (n = 631) | Traditional lab (n = 1013) | Pearson χ2(df) | Sig. | ||
|---|---|---|---|---|---|---|
| % | n | % | n | |||
| Gender | ||||||
| Men | 54 | 338 | 51 | 521 | 2.65 | 0.62 |
| Women | 38 | 243 | 33 | 331 | (4) | |
| Missing | 8 | 50 | 16 | 161 | ||
| Ethnicity | ||||||
| PEER | 56 | 354 | 57 | 573 | 0.03 | 0.85 |
| White/Asian | 44 | 277 | 43 | 440 | (1) | |
| Missing | — | — | — | — | ||
| GPA | ||||||
| Below 2.5 | 3 | 21 | 5 | 48 | 27.47 | 0.0001 |
| 2.6–3.0 | 17 | 107 | 23 | 228 | (4) | |
| 3.1–3.5 | 34 | 216 | 27 | 276 | ||
| 3.6–4.0 | 36 | 227 | 24 | 248 | ||
| 4.1 and higher | 0.3 | 2 | 1 | 9 | ||
| Missing | 9 | 58 | 20 | 204 | ||
| Parents’ education | ||||||
| No college degree | 35 | 220 | 31 | 309 | 14.02 | 0.03 |
| Bachelor’s degree | 13 | 80 | 17 | 168 | (6) | |
| Associate’s degree | 25 | 159 | 20 | 207 | ||
| Master’s degree | 12 | 77 | 8 | 83 | ||
| Doctorate or professional degree | 5 | 33 | 4 | 40 | ||
| Missing | 10 | 62 | 20 | 207 | ||
| — | — | — | — | |||
| Parents’ Occupations | ||||||
| Unskilled labor | 7 | 45 | 7 | 75 | 5.8 | 0.33 |
| Skilled labor | 24 | 152 | 21 | 212 | (5) | |
| Clerical | 5 | 30 | 3 | 34 | ||
| Service | 10 | 65 | 10 | 96 | ||
| Managerial | 12 | 77 | 14 | 137 | ||
| Professional | 32 | 202 | 25 | 254 | ||
| Missing | 10 | 60 | 20 | 205 | ||
| Class level | ||||||
| Freshman | 15 | 94 | 23 | 237 | 48.27 | 0.0001 |
| Sophomore | 39 | 247 | 34 | 345 | (5) | |
| Junior | 13 | 81 | 12 | 123 | ||
| Senior | 13 | 85 | 8 | 82 | ||
| Missing | 20 | 124 | 22 | 226 | ||