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. 2014 Dec 9;16(12):e285. doi: 10.2196/jmir.3702

Table 4.

Participant demographics.

Measure All participants Agent Text

(N=103) Indexed (n=35) Random (n=19) Indexed (n=26) Random (n=23)
Sex (female), n (%) 55 (53.4) 18 (51) 10 (53) 15 (58) 12 (52)
Age (years), mean (SD) 35.2 (11.1) 36.1 (12) 33.5 (11) 36.9 (10) 33.3 (11)
Race (white), n (%) 85 (82.5) 31 (89) 15 (79) 20 (77) 17 (74)
Education, n (%)





<High school 0 (0.0) 0 (0) 0 (0) 0 (0) 0 (0)

High school 18 (17.5) 7 (20) 3 (16) 3 (12) 5 (22)

>High school 85 (82.5) 28 (80) 16 (84) 23 (89) 18 (78)
Stage of change, n (%)





Precontemplation 67 (65.0) 24 (69) 12 (63) 17 (65) 14 (61)

Contemplation 20 (19.4) 5 (14) 5 (26) 5 (19) 5 (22)

Preparation 12 (11.7) 4 (11) 2 (11) 3 (12) 3 (13)

Action 4 (3.9) 2 (6) 0 (0) 1 (4) 1 (4)