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. 2021 Jun 1;10(11):2450. doi: 10.3390/jcm10112450

Table 3.

Participant digital health device weight and exercise data *.

Never Smokers
(n = 269)
Former Smokers
(n = 101)
p-Value
Steps per day 7896.2 ± 4776.3 7723.1 ± 4465.8 0.75
Never Smokers
(n = 204)
Former Smokers
(n = 85)
p-Value
Weight (kg) 78.9 ± 19.4 85.7 ± 22.9 <0.01
Absolute change in weight (kg)
Reported vs. Measured
−0.8 ± 3.9 0.01 ± 5.2 0.25
BMI (kg/m2) 27.8 ± 6.3 30.4 ± 8.1 <0.01
Absolute change in BMI (kg/m2)
Reported vs. Measured
−0.3 ± 1.4 0.1 ± 2.0 0.27
Healthy Weight Score (%) <0.04
Poor 30.9 44.7
Intermediate 31.4 27.1
Ideal 37.7 28.2
Never Smokers
(n = 259)
Former Smokers
(n = 93)
p-Value
Moderate exercise (min/week) 149.9 ± 190.8 98.3 ± 117.4 <0.02
Absolute change in moderate exercise (min/week)
Reported vs. Measured
54.5 ± 250.6 146.5 ± 244.6 <0.01
Vigorous exercise (min/week) 165.8 ± 230.9 161.4 ± 227.9 0.87
Absolute change in vigorous exercise (min/week)
Reported vs. Measured
−70.4 ± 233.6 −92.7 ± 201.8 0.41
Physical Activity Score (%) 0.06
Poor 0.0 0.0
Intermediate 36.3 47.3
Ideal 63.7 52.7
Never Smokers
(n = 193)
Former Smokers
(n = 77)
p-Value
Recalculated
LS7 Health Score 7.2 ± 1.3 6.5 ± 1.3 <0.01

* A total of 390 participants contributed digital health device data: step counts were available from 370 participants; weight data was available from 289 participants; and, exercise data was available from 352 participants. Of these participants, a total of 207 participants had both weight and exercise data available.