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. 2021 Dec 14;19(3):621–632. doi: 10.1007/s10433-021-00666-y

Table 4.

Multilevel Poisson regression incidence rate ratios of care provision within the household (n (individuals) = 97,872, n (countries) = 21).

Source: SHARE (1, 2, 4, 5, 6) and ELSA (2, 3, 4, 6, 7); *** p < 0.001, ** p < 0.01, * p < 0.05; standard errors in parentheses

Variables M1 M2 M3 M4 M5
Individual level
Household education (medium)
Low 1.22*** 1.06 1.05 1.06
(0.04) (0.03) (0.03) (0.03)
High 0.92* 0.93* 0.93* 0.93*
(0.03) (0.03) (0.03) (0.03)
Couple income (middle medium income)
Poor 1.05 0.95 0.95 0.96
(0.04) (0.04) (0.04) (0.04)
Low medium income 1.21*** 1.13*** 1.13*** 1.13***
(0.03) (0.03) (0.03) (0.03)
High medium income 0.75*** 0.82*** 0.82*** 0.82***
(0.04) (0.04) (0.04) (0.04)
High income 0.93 1.01 1.01 1.01
(0.05) (0.05) (0.05) (0.05)
Household wealth (0—49,999 Euros)
Debts 0.98 1.08 1.08 1.08
(0.07) (0.08) (0.08) (0.08)
50′000–99′999 0.84*** 0.89** 0.89** 0.89**
(0.03) (0.03) (0.03) (0.03)
100′000 +  0.74*** 0.78*** 0.78*** 0.79***
(0.02) (0.02) (0.02) (0.02)
Age 1.02*** 1.02*** 1.02***
(0.00) (0.00) (0.00)
Gender (Men)
Women 1.33*** 1.33*** 1.33***
(0.03) (0.03) (0.03
Household size 1.13*** 1.13*** 1.13***
(0.01) (0.01) (0.01)
Employment status (not working)
Full-time 0.76*** 0.76*** 0.76***
(0.03) (0.03) (0.03)
Part-time 0.76*** 0.76*** 0.77***
(0.04) (0.04) (0.04)
IADL limitations (none)
At least 1 limitation 1.43*** 1.43*** 1.43***
(0.04) (0.04) (0.04)
Interview year (2004–2005)
2006–2007 1.13** 1.13** 1.12*
(0.05) (0.05) (0.05)
2008–2012 1.24*** 1.24*** 1.23***
(0.05) (0.05) (0.05)
2013–2015 1.25*** 1.26*** 1.25***
(0.05) (0.05) (0.05)
Country level
Gini coefficient 1.03**
(0.01)
Social expenditure, %GDP 0.98*
(0.009)
Constant 0.07*** 0.08*** 0.02*** 0.01*** 0.03***
(0.00) (0.01) (0.00) (0.00) (0.01)
Variance and model fit
Country level 0.07** 0.04** 0.03** 0.02** 0.02**
(0.02) (0.02) (0.01) (0.01) (0.01)
AIC 51,674.1 51,270.9 50,505.7 50,501.8 50,503.8
BIC 51,693.1 51,375.3 50,695.6 50,701.1 50,703.1
Log likelihood −25,835.07 −25,624.47 −25,232.87 −25,229.9 −25,230.89
Likelihood ratio test 421.19*** 783.21*** 5.93** 3.95*

Likelihood ratio tests M1 nested in M2; M2 nested in M3; M3 nested in M4: M3 nested in M5