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. 2017 May 8;19(5):e148. doi: 10.2196/jmir.6914

Table 1.

Baseline characteristics in the texting and control conditions. Statistics reflect intent-to-treat analyses.

Characteristics Texting condition
(n=45)
Control condition
(n=40)
P value
Age (years), mean (SDa) 51.71 (11.55) 51.83 (11.73) .96b
Gender: female, n (%) 38 (84.44) 29 (72.50) .18c
Highest education, n (%)

.11c

No formal education 3 (6.67) 4 (10.26)

1st to 5th grade 12 (26.67) 7 (17.95)

6th to 8th grade 12 (26.67) 12 (30.77)

Some high school 14 (31.11) 4 (10.26)

High school grad or GEDd 2 (4.44) 3 (7.69)

Some college 1 (2.22) 6 (15.38)

College graduate 1 (2.22) 2 (5.13)

Graduate or professional school 0 (0.00) 1 (2.56)
Employment status, n (%)

.73c

Full-time 7 (15.56) 4 (10.00)

Part-time 7 (15.56) 4 (10.00)

Homemaker 3 (6.67) 3 (7.50)

Unemployed 12 (26.67) 13 (32.50)

On disability 10 (22.22) 12 (30.00)

Retired 4 (8.89) 4 (10.00)

Other 2 (4.44) 0 (0.00)
Marital status, n (%)

.76c

Single 17 (38.64) 14 (35.00)

Married or partnered 13 (29.55) 13 (32.50)

Divorced or separated 7 (15.91) 9 (22.50)

Widowed 7 (15.91) 4 (10.00)
Depression measures



PHQ-9e, mean (SD) 13.36 (5.96) 13.13 (4.99) .85b

Prior therapy for depression, n yes (%) 21 (46.67) 16 (40.00) .54c

Medication for depression, n yes (%) 22 (48.89) 16 (40.00) .41c

Prior hospitalization for depression, n yes (%) 5 (11.36) 7 (17.50) .42c
Mobile phone ownership, n yes (%) 43 (95.56) 37 (92.50) .55c
Use of text-messaging in prior month, n yes (%)g 34 (79.07) 23 (65.71) .19c
Preferred method of contactf, n (%)

.74c

Call 27 (61.36) 26 (66.67)

Text 6 (13.64) 6 (15.38)

Depends 11 (25.00) 7 (17.95)

aSD: standard deviation.

bIndicates that a t test was used to test for condition differences.

cIndicates that a chi-square test was used to test for condition differences.

dGED: general educational development.

ePHQ-9: Patient Health Questionnaire-9 item.

fPreferred method of contact refers to the question “In general, if someone needs to reach you, do you prefer that they call or that they text you?”

gQuestion asked only to the patients who reported owning a mobile phone.