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. 2018 Jan 26;20(1):e32. doi: 10.2196/jmir.8892

Table 2.

Age differences in modality preference and type of goal set (N=35,333).

Modality and area of focus Age (years) Comparisona age (years) Difference (SE) P

Mean (SD) Meanb (SD)

Modality




Online 42.27 (11.78)



Telephone 58.26 (14.74)



In-person 41.72 (10.65)



Mixed 49.88 (14.42)



Modality comparison




Online vs telephone

15.99 (0.22) <.001

Online vs in-person

0.55 (0.65) >.99

Online vs mixed

–7.61 (0.24) <.001

Telephone vs in-person

16.54 (0.68) <.001

Telephone vs mixed

8.38 (0.31) <.001

In-Person vs mixed

–8.16 (0.68) <.001
Area of focusc




Weight management 45.14 (13.62) 45.70 (14.50)
<.001

Fitness 44.77 (13.87) 45.66 (14.01)
<.001

Nutrition 44.56 (14.42) 45.62 (13.90)
<.001

Stress management 46.30 (14.74) 45.40 (13.91)
.002

Tobacco cessation 44.36 (12.93) 45.56 (14.06)
<.001

Cholesterol 49.24 (13.15) 45.35 (13.99)
<.001

Blood pressure 50.08 (14.39) 45.33 (13.95)
<.001

Diabetes 58.27 (13.07) 45.09 (13.83)
<.001

Back care 52.28 (16.04) 45.37 (13.93)
<.001

aComparisons based on Welch test.

bMean comparison age is the mean age of all participants not working on the designated goal type.

cCoaching area of focus includes all participants working on the designated goal type.