Physical activity stage

Psychosocial Correlates

Not

Considering

(n_maxG = 70)

Considering

(n_maxG = 97)

Preparing

(n_maxG = 66)

Exploring

(n_maxG = 71)

Fluctuating

(n_maxG = 164)

Maintaining

(n_maxG = 397)

Interaction stage*

nationality

(n_maxC = 147)

(n_maxC = 273)

(n_maxC = 148)

(n_maxC = 144)

(n_maxC = 201)

(n_maxC = 293)

Mean

(Standard Deviation)

Mean (Standard Deviation)

Mean (Standard Deviation)

Mean (Standard Deviation)

Mean (Standard Deviation)

Mean (Standard Deviation)

Outcome expectations_Ger

3.97 (0.84)

4.42 (0.86)

4.57 (0.77)

4.60 (0.92)

4.57 (0.83)

4.94 (0.93)

F_5,2069 = 2.53, p < 0.05, η² = 0.01

Outcome expectations_China

4.45 (1.30)

4.67 (1.21)

4.93 (1.29)

4.85 (1.11)

5.10 (1.14)

5.02 (1.27)

Barriers_Ger

3.92 (1.00)

3.64 (0.77)

3.44 (0.64)

2.35 (0.78)

2.65 (0.75)

1.86 (0.69)

F_5,2069 = 6.44, p < 0.001, η² = 0.02

Barriers_China

3.60 (1.16)

3.36 (0.92)

3.26 (1.13)

2.48 (0.87)

2.57 (0.88)

2.13 (0.92)

Social support_Ger

1.63 (0.77)

1.97 (0.72)

2.41 (0.99)

2.53 (0.98)

2.74 (1.06)

3.01 (1.11)

F_5,2071 = 2.22, p = 0.050, η² = 0.01

Social support_China

2.37 (0.84)

2.56 (0.83)

2.92 (0.88)

3.15 (0.86)

2.98 (0.84)

3.33 (0.85)

Maintenance self-efficacy_Ger

2.39 (0.79)

2.41 (0.75)

2.74 (0.83)

3.33 (0.66)

3.15 (0.69)

3.64(0.77)

F_5,2071 = 12.01, p < 0.001, η² = 0.03

Maintenance self-efficacy_China

2.30 (0.81)

2.47 (0.70)

2.58 (0.74)

2.77 (0.73)

2.70 (0.70)

3.00 (0.70)

Intrinsic motivation_Ger

-

-

3.42 (1.06)

4.29 (1.05)

4.06 (1.01)

5.05 (0.83)

F_3,1493 = 20.38, p < 0.001, η² = 0.04

Intrinsic motivation_China

-

-

4.20 (0.94)

4.27 (0.91)

4.33 (0.91)

4.71 (0.97)

Affective attitude_Ger

3.84 (1.46)

4.27 (1.28)

4.80 (1.33)

5.60 (0.94)

5.30 (1.15)

5.86 (0.95)

F_5,2071 = 4.70, p < 0.001, η² = 0.01

Affective attitude_China

4.18 (1.48)

4.67 (1.42)

4.99 (1.42)

5.34 (1.36)

5.31 (1.28)

5.52 (1.52)