Table 1

Baseline sociodemographic and symptom characteristics of factorial groupsa

Factor 1Factor 2
Stretch exercisesPlacebo exerciseStop quinine for 6 weeksNot to stop quinine for 6 weeks
Male sex (n [%])47 (49)44 (47)42 (45)49 (51)
Age in years74.4 (0.70)75.0 (0.66)75.1 (0.76)74.3 (0.60)
Symptom burden scoreb3.19 (0.14)3.11 (0.15)3.34 (0.14)2.97 (0.14)
Night cramps in previous 4 weeks10.8 (1.74)9.3 (1.17)9.7 (1.14)10.4 (1.76)
  • a Figures are means (SEM) unless specified.

  • b Range = 1–7. SEM = standard error of the mean.