Table 4.
Participant characteristics (N=466).
|
|
All, n (%) | ILa group (n=233), n (%) | CLb group (n=233), n (%) | P value for chi-square or t test | ||
| Sex (female) | 312 (67) | 154 (66.1) | 158 (67.8) | .69 | ||
| Race and ethnicity | .10 | |||||
|
|
African American | 188 (40.3) | 81 (34.8) | 107 (45.9) |
|
|
|
|
White | 153 (32.8) | 84 (36.1) | 69 (29.6) |
|
|
|
|
Latino | 88 (18.9) | 49 (21) | 39 (16.7) |
|
|
|
|
Other | 37 (7.9) | 19 (8.2) | 18 (7.7) |
|
|
| Education | .99 | |||||
|
|
Lower than high school | 52 (11.2) | 27 (11.6) | 25 (10.7) |
|
|
|
|
High school | 116 (24.9) | 58 (24.9) | 58 (24.9) |
|
|
|
|
Some college | 159 (34.1) | 80 (34.3) | 79 (33.9) |
|
|
|
|
Bachelor’s degree or higher | 138 (29.6) | 68 (29.2) | 70 (30) |
|
|
| Yearly household income (US $) | .12 | |||||
|
|
<20,000 | 163 (35) | 88 (37.8) | 75 (32.2) |
|
|
|
|
20,000-29,000 | 86 (18.5) | 38 (16.3) | 48 (20.6) |
|
|
|
|
30,000-39,000 | 48 (10.3) | 30 (12.9) | 18 (7.7) |
|
|
|
|
40,000-99,000 | 91 (19.5) | 37 (15.9) | 54 (23.2) |
|
|
|
|
≥100,000 | 9 (1.9) | 4 (1.7) | 5 (2.1) |
|
|
| Native English speaker (yes) | 405 (86.9) | 211 (90.6) | 194 (83.3) | .02 | ||
| Health status (excellent and very good) | 123 (26.4) | 65 (27.9) | 58 (24.9) | .46 | ||
| Frequency of computer use | .84 | |||||
|
|
Never | 151 (32.4) | 75 (32.2) | 76 (32.6) |
|
|
|
|
Less than once a month | 54 (11.6) | 29 (12.4) | 25 (10.7) |
|
|
|
|
More than once a month | 35 (7.5) | 18 (7.7) | 17 (7.3) |
|
|
|
|
Once a week | 47 (10.1) | 20 (8.6) | 27 (11.6) |
|
|
|
|
Every 2-3 days | 86 (18.5) | 41 (17.6) | 45 (19.3) |
|
|
|
|
Every day | 93 (20) | 50 (21.5) | 43 (18.5) |
|
|
| Length of computer use (years) | .86 | |||||
|
|
Never | 130 (27.9) | 67 (28.8) | 63 (27) |
|
|
|
|
<1 | 91 (19.5) | 42 (18) | 49 (21) |
|
|
|
|
1-3 | 51 (10.9) | 27 (11.6) | 24 (10.3) |
|
|
|
|
3-5 | 32 (6.9) | 18 (7.7) | 14 (6) |
|
|
|
|
5-10 | 64 (13.7) | 29 (12.4) | 35 (15) |
|
|
|
|
>10 | 96 (20.6) | 49 (21) | 47 (20.2) |
|
|
| Frequency of internet use | .98 | |||||
|
|
Never | 196 (42.1) | 98 (42.1) | 98 (42.1) |
|
|
|
|
Less than once a month | 53 (11.4) | 27 (11.6) | 26 (11.2) |
|
|
|
|
More than once a month | 27 (5.8) | 13 (5.6) | 14 (6) |
|
|
|
|
Once a week | 36 (7.7) | 17 (7.3) | 19 (8.2) |
|
|
|
|
Every 2-3 days | 72 (15.5) | 34 (14.6) | 38 (16.3) |
|
|
|
|
Every day | 81 (17.4) | 43 (18.5) | 38 (16.3) |
|
|
| Length of internet use (years) | .84 | |||||
|
|
Never | 185 (39.7) | 93 (39.9) | 92 (39.5) |
|
|
|
|
<1 | 78 (16.7) | 35 (15) | 43 (18.5) |
|
|
|
|
1-3 | 50 (10.7) | 27 (11.6) | 23 (9.9) |
|
|
|
|
3-5 | 35 (7.5) | 18 (7.7) | 17 (7.3) |
|
|
|
|
5-10 | 62 (13.3) | 29 (12.4) | 17 (7.3) |
|
|
|
|
>10 | 56 (12) | 31 (13.3) | 33 (14.2) |
|
|
| Familiar with other participants (yes) | 126 (27) | 68 (29.2) | 58 (24.9) | .31 | ||
aIL: individualistic learning.
bCL: collaborative learning.