Table 1 Comparisons of the health service needs among the 3 surveys

N

4310

4176

5445

-

-

Two-week prevalence (%)

468 (10.86)

852 (20.40)

1051 (19.30)

169.76

<0.001

Two-week visiting rate (%)

493 (11.44)

745 (17.85)

1383 (25.40)

310.69

<0.001

Non-visiting rate in the ones needed visiting (%)

1880 (43.61)

1604 (38.40)

1762 (32.36)

131.35

<0.001

Prevalence of chronic diseases (%)

588 (13.64)

768 (18.38)

1225 (22.50)

125.04

<0.001

Hospitalization rate (%)

129 (2.99)

178 (4.26)

185 (3.40)

10.50

0.005

Non-hospitalization rate in the ones needed hospitalization (%)

981 (22.75)

46 (1.09)

33 (0.60)

2038.95

<0.001