Research Article
Long-Term Monitoring of Physical Behavior Reveals Different Cardiac Responses to Physical Activity among Subjects with and without Chronic Neck Pain
Table 4
Results from the ANCOVA analyses of LF/HF HRV, with values for the main effect of group (pain versus control) and the interactions between group, activity type, and location.
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Note: all ANCOVA models are adjusted for type of work. Stepwise adjustments were made for age, gender, BMI, work stress, mental health sleep quality, and . — indicates exclusion () of a covariate from the final ANCOVA model. BMI, body mass index, MET; metabolic equivalent; SF-36, short form 36-item health survey; KSQ, Karolinska Sleep Questionnaire; HRV, heart rate variability; LF/HF, ratio between low- and high-frequency spectral powers of HRV. |