Table 2

Adherence, stress, health and quality of life scores in individuals with atrial fibrillation, by income

CharacteristicAll participants<$20 000$20 000–$49 000$50 000–$99 999>$100 000P value (adjusted)*P value (adjusted)†P value (adjusted)‡
n=295n=35n=99n=97n=64
AFEQT
 Symptom score85.4±17.180.7±22.686.0±16.586.4±14.985.5±17.90.630.570.56
 DA score69.4±25.157.3±26.365.3±23.671.1±24.479.8±23.9<0.010.020.02
 Treatment score78.5±20.471.0±26.077.5±20.780.5±18.581.2±18.70.060.080.1
 Satisfaction score79.5±22.778.1±25.376.5±21.979.0±23.985.8±19.90.070.310.31
 Total score76.3±17.868.2±21.474.2±17.077.7±16.581.9±17.0<0.010.030.04
SF-12n=185n=22n=61n=64n=38
 Physical functioning59.7±36.644.3±36.952.5±39.562.9±34.275.0±29.6<0.010.070.08
 Role limitation physical56.7±27.139.2±24.252.7±24.561.7±28.264.8±26.0<0.01<0.010.01
 Pain68.1±33.446.6±33.967.2±31.871.1±34.077.0±30.4<0.010.030.05
 General health54.5±27.535.0±28.951.8±27.459.5±23.861.8±28.0<0.01<0.01<0.01
 Vitality45.8±25.135.2±26.341.0±24.648.4±23.555.3±24.8<0.01<0.010.01
 Social functioning76.4±27.756.8±31.073.0±28.283.2±24.481.6±24.4<0.01<0.010.01
 Role limitation emotional77.0±23.956.3±29.374.2±23.081.4±22.385.9±16.2<0.01<0.01<0.01
 Mental health72.8±19.359.7±21.571.7±19.474.4±18.379.3±16.3<0.01<0.01<0.01
 Physical health composite40.6±11.634.3±10.738.9±12.142.0±11.244.4±10.2<0.010.040.07
  • *P value adjusted for covariates age and sex.

  • †P value adjusted for covariates including: age, sex, race, BMI, CHF, HTN, stroke, vascular disease, education, S-TOFHLA.

  • ‡P value adjusted for covariates including: age, sex, race, BMI, CHF, HTN, stroke, vascular disease, education, S-TOFHLA, cardioversion and use of anti-arrhythmic drugs.

  • §Continuous variables summarised as mean±SD; significance test performed using ANOVA.

  • AFEQT, atrial fibrillation effect on quality-of-life; SF-12, 12-item Short Form Survey; S-TOHFLA, short-test of functional health literacy in adults.