Table 1 Sample Characteristics

Demographics

Age (years)

Mean

11.9 ± 2.0

12.9 ± 3.0

0.13

Median and Range

12 (8–16)

14 (7–17)

Male gender

22 (59.5%)

12 (57.1%)

1.0

Race

Hispanic

4 (10.8%)

2 (9.5%)

0.70

Black

20 (54.1%)

14 (66.7%)

White

8 (21.6%)

2 (9.5%)

Other

5 (13.5%)

3 (14.3%)

Parental Education: at least High School completion

29 (78.4%)

20 (100%)

0.041

Employed caregiver in household

29 (78.4%)

13 (61.9%)

0.23

Total family Income under $15,000

9 (28.1%)

6 (42.9%)

0.50

Child covered by health insurance

32 (91.4%)

17 (81%)

0.41

Home Environment

Cockroaches at home

8 (22.9%)

7 (33.3%)

0.53

Dog at home

6 (17.1%)

3 (14.3%)

1.0

Cat at home

6 (17.1%)

9 (42.9%)

0.06

Pet rodent at home

3 (8.6%)

2 (9.5%)

1.0

Smokers at home

8 (22.9%)

9 (42.9%)

0.14

Computer Use

Computer Competence Score, self reported (1–5), Mean (SD)

4.3 ± 0.6

4.6 ± 0.5

0.07

Hours/day on computer, Mean (SD)

2.0 + 1.8

1.6 + 1.6

0.51

Type of Internet Connection

Dial-Up

10 (32.3%)

2 (13.3%)

0.29

Broadband

21 (67.7%)

13 (86.7%)

Able to log onto Boston Breathes website

With assistance

2 (7.1%)

2 (11.1%)

0.64

Without assistance

26 (92.9%)

16 (88.9%)