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. 2018 Dec 21;6(12):e192. doi: 10.2196/mhealth.9808

Table 2.

Descriptive mean scoresa of helpfulness of the mHealth TDF domains.

Domain Total (N=183), mean (SD) Child (N=8), mean (SD) Self (N=19), mean (SD) None (N=156), mean (SD)
Capability




Knowledge





Knowledge 3.55 (1.22) 3.96 (0.96) 4.33 (0.93) 3.43 (1.22)


Procedural knowledge 3.82 (1.16) 3.92 (1.02) 4.39 (1.02) 3.75 (1.17)


Knowledge of task environment 3.65 (1.19) 4.17 (0.87) 4.26 (1.03) 3.54 (1.19)

Skill





Skill development 3.90 (1.12) 4.21 (0.88) 4.47 (0.78) 3.81 (1.14)


Practice 3.91 (1.10) 4.17 (0.96) 4.33 (0.85) 3.84 (1.12)


Skills 3.85 (1.10) 4.25 (0.90) 4.37 (0.84) 3.76 (1.11)

Memory, attention, and decision processes





Decision making 3.73 (1.17) 3.96 (1.30) 4.21 (1.10) 3.66 (1.16)

Behavioral regulation





Self-monitor 3.94 (1.15) 3.96 (0.86) 4.25 (0.99) 3.90 (1.18)


Action planning 3.83 (1.16) 4.04 (0.91) 4.25 (0.85) 3.77 (1.19)


Break habit 3.61 (1.25) 4.16 (0.69) 4.04 (1.04) 3.55 (1.26)
Motivation




Beliefs about consequences





Outcome expectancies 3.72 (1.15) 4.04 (1.00) 4.28 (0.98) 3.63 (1.16)


Consequences 3.66 (1.21) 4.00 (1.14) 4.09 (1.11) 3.59 (1.22)

Goals





Goal setting 3.87 (1.05) 3.92 (0.88) 4.39 (.077) 3.81 (1.07)


Distal and proximal goals 3.79 (1.14) 4.13 (0.80) 3.98 (1.10) 3.75 (1.15)

Intentions





Transtheoretical 3.73 (1.17) 4.21 (0.83) 4.21 (1.10) 3.65 (1.18)

Optimism





Optimism 3.88 (1.13) 4.21 (1.06) 4.33 (0.89) 3.81 (1.15)


Identity 3.19 (1.28) 3.33 (1.47) 3.84 (1.10) 3.11 (1.28)

Reinforcement





Rewards 3.98 (1.14) 3.79 (1.14) 4.09 (1.11) 3.98 (1.15)


Reinforcement 3.89 (1.13) 4.17 (0.76) 4.23 (0.98) 3.84 (1.16)


Incentives 3.90 (1.17) 4.04 (1.12) 3.93 (1.21) 3.89 (1.16)
Opportunity




Environmental context





Resources 3.60 (1.23) 3.83 (1.17) 4.12 (1.12) 3.52 (1.23)


Barriers and facilitators 3.38 (1.24) 4.00 (0.66) 3.93 (1.12) 3.28 (1.25)

Social influences





Social comparisons 3.47 (1.32) 3.71 (1.16) 3.84 (1.36) 3.41 (1.32)


Social support 3.54 (1.24) 3.71 (0.96) 3.84 (1.31) 3.49 (1.25)

aScores were based on a five-point Likert scale (higher scores indicating more helpfulness). Columns are broken down based on participant experience. Self: indicates the parent downloaded a health app; child: indicates that the health app is on the child’s phone; none: indicates that the parent believes that neither they nor the child have downloaded a health app.