Table 4 Generalized Estimating Equation model showing disaster status by health service utilization

Disaster status

Non-victims

Reference

Reference

Reference

Victims

0.093

1.1

< 0.001

0.002

0.267

1.31

< 0.001

0.019

0.122

1.13

< 0.001

0.005

Age classification

0–19

Reference

Reference

Reference

20–39

-0.141

0.87

< 0.001

0.001

0.232

1.26

< 0.001

0.006

–0.252

0.78

< 0.001

0.001

40–59

0.013

1.01

< 0.001

0.001

0.412

1.51

< 0.001

0.006

–0.009

0.99

< 0.001

0.001

60–79

0.231

1.26

< 0.001

0.0005

1.416

4.12

< 0.001

0.005

0.329

1.39

< 0.001

0.001

≥ 80

0.246

1.28

< 0.001

0.001

2.238

9.37

< 0.001

0.005

0.428

1.53

< 0.001

0.001

Sex, n (%)

Men

Reference

Reference

Reference

Women

0.044

1.04

< 0.001

0.0003

–0.157

0.85

< 0.001

0.003

0.025

1.03

< 0.001

0.001

Quarter for one year after the disaster

First

Reference

Reference

Reference

Second

0.023

1.02

< 0.001

0.0003

–0.009

0.99

< 0.001

0.002

0.063

1.07

< 0.001

0.0004

Third

0.076

1.08

< 0.001

0.0003

–0.033

0.97

< 0.001

0.003

0.149

1.16

< 0.001

0.0004

Fourth

0.031

1.03

< 0.001

0.0003

–0.025

0.98

< 0.001

0.003

0.07

1.07

< 0.001

0.0004

Interaction term between disaster status and a quarter

First

Reference

Reference

Reference

Second

–0.008

0.99

0.003

0.0028

–0.142

0.87

< 0.001

0.023

–0.026

0.97

< 0.001

0.004

Third

–0.056

0.95

< 0.001

0.0029

–0.214

0.81

< 0.001

0.026

–0.084

0.92

< 0.001

0.005

Fourth

–0.018

0.98

< 0.001

0.0029

–0.14

0.87

< 0.001

0.026

–0.043

0.96

< 0.001

0.005

Coef.: coefficient. Exp.: exponentiated parameter estimate, SE: standard error, First quarter: July 2018 to September 2018, Second quarter: October 2018 to December 2018, Third quarter: January 2019 to March 2019, Fourth quarter: April 2019 to June 2019