Table 3 Extent of under-reporting (%) by age and sex in each THS
1999 | 2001 | 2002 | |
|---|---|---|---|
No. of persons discharged from public hospitals in past 6 months* | No. of persons discharged from public hospitals in past 6 months* | No. of persons discharged from public hospitals in past 12 months* | |
Age (years) | |||
Less than 5 | 44.6% | 51.8% | 65.0% |
5 – 24 | 36.2% | 40.9% | 38.2% |
25 – 44 | 31.6% | 31.9% | 37.6% |
45 – 64 | 27.3% | 28.6% | 38.0% |
65 or above | 25.7% | 32.2% | 31.7% |
Sex | |||
Female | 34.7% | 36.3% | 39.4% |
Male | 26.1% | 31.4% | 36.8% |
Overall | 30.7% | 34.1% | 38.2% |
F-test for the overall demographic subgroups differences within each year (at significance level 0.05) † | |||
Age difference | |||
Including the 'less than 5' age group (p-value) | 0.47 | 0.18 | 0.02 |
Excluding the 'less than 5' age group (p-value) | 0.53 | 0.28 | 0.60 |
Sex difference(p-value) | 0.04 | 0.23 | 0.10 |
- * Adjusted for non-residents and deceased patients as at 31 Oct 1999, 30 Apr 2001 and 30 June 2002 respectively for the 3 rounds of THS
-
†
where 
a
i
= ad min istrative data, b
i
= survey data, for each demographic subgroup i up to k.
where 
a
i
= ad min istrative data, b
i
= survey data, for each demographic subgroup i up to k.