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Table 4 Stepwise multinomial logistic regression model estimating predictors of exercise behavior at 24-month follow-up (n = 248)

From: Patterns and predictors of exercise behavior during 24 months of follow-up after a supervised exercise program during breast cancer chemotherapy

Step/predictors

Resistance vs. Neither

Aerobic vs. Neither

Combined vs. Neither

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

1. Upper body strength (kg)

1.07 (1.01–1.13)

0.025

1.04 (0.99–1.08)

0.10

1.08 (1.04–1.13)

< 0.001

2. TPB Difficulty (1–5) a

0.86 (0.53–1.40)

0.54

0.58 (0.41–0.82)

0.002

0.62 (0.43–0.89)

0.010

3. VO2peak (mL/kg∙min)

1.01 (0.93–1.11)

0.77

1.09 (1.03–1.16)

0.004

1.07 (1.01–1.14)

0.031

 

Aerobic vs. Resistance

Combined vs. Aerobic

Combined vs. Resistance

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

1. Upper body strength (kg)

0.97 (0.92–1.03)

0.28

1.05 (1.01–1.09)

0.023

1.02 (0.96–1.07)

0.58

2. TPB Difficulty [1–5] a

0.67 (0.41–1.10)

0.11

1.08 (0.76–1.54)

0.67

0.72 (0.44–1.19)

0.20

3. VO2peak (mL/kg∙min)

1.08 (0.99–1.17)

0.10

0.98 (0.93–1.04)

0.52

1.06 (0.97–1.15)

0.22

  1. Resistance = meeting resistance exercise guideline only; Aerobic = meeting aerobic exercise guideline only; Neither = meeting neither exercise guideline; Combined = meeting both exercise guidelines; TPB = theory of planned behavior, OR represents the change in the odds of a meeting a guideline for a one-unit change in the variables
  2. a High scores indicate higher difficulty in exercise