Table 3 Meta-analysed effects of healthy ageing and self-rated health on mortality, controlling sequentially for sociodemographic and health conditions

Q1 quintile

Q2 quintile

Q3 quintile

Q4 quintile

6.89 (5.81–8.17)

2.61 (2.16–3.14)

1.89 (1.55–2.29)

1.26 (1.02–1.56)

I² = 53.4%, p = 0.057

I² = 0.0%, p = 0.431

I² = 0.0%, p = 0.615

I² = 29.8%, p = 0.212

4.23 (3.48–5.13)

2.03 (1.67–2.48)

1.60 (1.31–1.95)

1.16 (0.94–1.44)

I² = 17.1%, p = 0.304

I² = 0.0%, p = 0.585

I² = 0.0%, p = 0.714

I² = 22.6%, p = 0.264

3.25 (2.63–4.02)

1.88 (1.53–2.30)

1.56 (1.27–1.91)

1.15 (0.93–1.43)

I² = 28.7%, p = 0.220

I² = 0.0%, p = 0.524

I² = 0.0%, p = 0.726

I² = 26.0%, p = 0.239

very low

low

moderate

good

4.65 (3.53–6.13)

2.36 (1.94–2.88)

1.33 (1.14–1.55)

1.06 (0.91–1.25)

I² = 68.0%, p = 0.008

I² = 73.5%, p = 0.002

I² = 30.4%, p = 0.207

I² = 57.0%, p = 0.040

4.12 (3.07–5.54)

2.09 (1.71–2.57)

1.24 (1.06–1.45)

0.99 (0.85–1.17)

I² = 64.6%, p = 0.015

I² = 74.5%, p = 0.001

I² = 61.7%, p = 0.023

I² = 67.6%, p = 0.009

2.78 (2.05–3.76)

1.68 (1.35–2.09)

1.16 (0.98–1.36)

0.98 (0.83–1.15)

I² = 55.0%, p = 0.049

I² = 73.9%, p = 0.002

I² = 51.3%, p = 0.068

I² = 69.9%, p = 0.005