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. 2019 May 8;7(5):e13241. doi: 10.2196/13241

Table 1.

Sample characteristics for all participants and by nonstarter status (ie, completed less than four of the first seven EMA surveys) from the 2017-2018 Health eNav study (N=120).

Sample characteristics All (N=120) Completed ≥4 of first 7 EMA surveys (n=92) Nonstarters (n=28) PRa (95% CIb)
Days to first weeklong or more EMA survey noncompletion, mean (SD) 41.87 (35.42) 51.35 (33.10) 10.71 (23.06) 0.95 (0.92-0.99)
Demographics




Age (years), mean (SD) 27.75 (4.07) 28.43 (5.88) 25.25 (2.22) 0.96 (0.88-1.04)

Gender identity, n (%)





Trans woman 17 (14.2) 10 (11) 7 (25) 2.02 (1.02-4.02)


Man 103 (85.8) 82 (89) 21 (75) Refc

Race/ethnicity, n (%)





Black or African American 22 (18.3) 16 (17) 6 (21) 1.75 (0.60-5.04)


Hispanic or Latinx 38 (31.7) 27 (29) 11 (39) 1.85 (0.72-4.79)


Otherd or multiple 28 (23.3) 22 (24) 6 (21) 1.37 (0.47-1.03)


White 32 (26.7) 27 (29) 5 (18) Ref
Structural factors




Housing status, n (%)





Lives with a family member, friend, or partner who rents/owns a home 21 (17.5) 16 (18) 5 (18) 1.86 (0.60-5.72)


Temporary/transitional housinge 43 (35.8) 30 (33) 13 (46) 2.36 (0.92-6.04)


Homeless or shelter 17 (14.2) 12 (13) 5 (18) 2.29 (0.76-6.93)


Rents/owns an apartment or house 39 (32.5) 34 (37) 5 (18) Ref

Income in the last month (US$), n (%)





$601-$1300 30 (25.0) 21 (23) 9 (32) 2.18 (0.75-6.32)


$251-$600 30 (25.0) 24 (26) 6 (21) 1.45 (0.45-4.64)


$0-$250 30 (25.0) 21 (23) 9 (32) 2.18 (0.75-6.32)


≥$1301 29 (24.2) 25 (27) 4 (14) Ref

Education, n (%)





High school/GED 39 (32.5) 27 (29) 12 (43) 1.9 (0.93-3.91)


Less than high school 13 (10.8) 8 (9) 5 (18) 2.38 (0.99-5.72)


Some college or more 68 (56.7) 57 (62) 11 (39) Ref

Incarceration in the last 6 months, n (%)





Yes 23 (19.2) 13 (14) 10 (36) 2.34 (1.25-4.39)


No 97 (80.8) 79 (86) 18 (64) Ref

Competing needs, n (%)





Went without HIV medications to have money for basic needs (eg, food, housing, and/or clothing) 38 (31.7) 66 (72) 16 (57) 1.62 (0.85-3.08)


Went without basic needs (eg, food, housing, and/or clothing) to have money for HIV medications 32 (26.7) 26 (28) 12 (43) 2.38 (1.28-4.45)
HIV diagnosis status, n (%)




Diagnosed in the last year 38 (31.7) 24 (26) 14 (50) 2.16 (1.14-4.08)

Diagnosed more than one year ago 82 (68.3) 68 (74) 14 (50) Ref
Behaviors toward technology, n (%)




Frequency of sending and receiving text messages on a mobile phone


Several times a day 39 (32.5) 32 (35) 7 (25) 0.45 (0.18-1.12)


Several times an hour or all the time 66 (55.0) 51 (55) 15 (54) 0.57 (0.26-1.22)


Once a day or less 15 (12.5) 9 (10) 6 (21) Ref

Frequency of checking for text messages on a mobile phone


Several times a day 42 (35.0) 35 (38) 7 (25) 0.40 (0.15-1.04)


Several times an hour or all the time 66 (55.0) 50 (54) 16 (57) 0.58 (0.26-1.29)


Once a day or less 12 (10.0) 7 (8) 5 (18) Ref

aPR: crude prevalence ratio from bivariable Poisson binomial regression models comparing nonstarters to those who completed four or more of the first seven EMA surveys received.

bCI: confidence interval.

cRef: reference group.

d“Other” race/ethnicity included participants who identified as American Indian or Alaska Native (n=6) or Asian (n=7).

eTemporary/transitional housing included participants who lived in single room occupancy hotels, motels, boarding houses, halfway houses, drug treatment centers, independent living units, domestic violence shelters, battered persons’ shelters, or “safe houses.”