Change in physical activity level and clinical outcomes in older adults with knee pain: a secondary analysis from a randomised controlled trial

Table 1 Baseline characteristics

Footnote: Baseline descriptive statistics based on complete cases; * = subject to missing data (hence individual item frequencies may not add to total sample). Missing data was 2% in primary clinical variables, less than 10% in all remaining variables except socioeconomic category which was 25% missing. Body Mass Index: less than 25 = underweight/ normal, 25 or more but less than 30 = overweight, 30 or more = obese. Comorbidities included (in descending order of frequency) Hypertension, Asthma, Diabetes, Angina, Heart attack and Heart failure
Abbreviations: BMI Body Mass Index, PHQ 8 Personal Health Depression Questionnaire (higher scores indicate lower mood), SD Standard deviation; Widespread pain = Manchester Widespread Pain [27]; WOMAC Western Ontario and McMaster Universities Osteoarthritis Index

ISSN: 1471-2474