Cardio-oncology & otherCross-sectional study

Prevalence, Determinants, and Time Trends of Cardiovascular Health in the World Health Organization (WHO) African Region

JAMA CardiolPublished

  • Cross-sectional study
  • repeated nationwide and subnational surveys
  • WHO STEPS surveys
  • 22 countries
  • 25 surveys

Authors' conclusion

This situational analysis of cross-sectional WHO STEPS surveys of CVH status region identified actionable factors of the CVH status across 22 countries in the WHO African Region.

Study context

Population
Nonpregnant adults aged 18 to 69 years without known cardiovascular disease (CVD), 22 countries in the WHO African Region, 2003–202225 surveys
Participants
73,024 adults · 22 countries
Outcome
Weighted prevalence of Life's Simple 7 score categories (0-7 poor, 8-11 intermediate, 12-14 ideal CVH) and factors associated with CVH status

Main finding

As reported in the abstract

Weighted prevalence of CVH categories

Ideal cardiovascular health (CVH)

26.2% (95% CI, 25.7%-28.0%)

Intermediate CVH

57.9% (95% CI, 54.8%-59.0%)

Poor CVH

15.9% (95% CI, 15.1%-17.0%)

Observational data: associations, not effects.

Secondary outcomes

OutcomeOR (95% CI)
Individual factors associated with intermediate or ideal CVH — Females vs Males · intermediate CVH0.77 (0.67–0.89)
Individual factors associated with intermediate or ideal CVH — Females vs Males · ideal CVH0.80 (0.64–0.92)
Individual factors associated with intermediate or ideal CVH — Ages 55-69 vs 18-25 years · intermediate CVH0.14 (0.10–0.20)
Individual factors associated with intermediate or ideal CVH — Ages 55-69 vs 18-25 years · ideal CVH0.06 (0.04–0.09)
Individual factors associated with intermediate or ideal CVH — No education vs Tertiary · ideal CVH0.63 (0.43–0.92)
Individual factors associated with intermediate or ideal CVH — Heavy episodic drinking vs Nondrinking · ideal CVH0.51 (0.39–0.67)

Country-level contextual factors associated with higher CVH scores

Higher mean years of schooling, β
0.24 (95% CI, 0.17-0.32)
Higher education percentage, β
0.01 (95% CI, 0-0.02)
Higher prevalence of undernourishment, β
3.14 (95% CI, 0.63-5.65)

Time trends in weighted prevalence of CVH categories, 2003–2022

No statistically significant trend, overall and by sex

Original publication

Prevalence, Determinants, and Time Trends of Cardiovascular Health in the WHO African Region. JAMA Cardiol. Published 1 November 2025. doi:10.1001/jamacardio.2025.3377

Summarised from the published abstract; every number is checked against it