Skip to main content

Table 3 Estimated reporting completeness (%) of deaths (all ages, both sexes) by source and method of assessment for Tongatapu

From: Mortality trends in Tonga: an assessment based on a synthesis of local data

Method of assessment

Years

Completeness (%) and 95% confidence intervals

Reconciled death data

Civil registration of deaths

HIS (death certificates)

RHS (community nursing reports)

MoH (combined)

Comparison against reconciled death data

2001-2004

-

70

96

NA

NA

2005-2009

-

56

70

42

91

Brass growth-balance assessment

2001-2004

96 (M) / 63 (F)

-

-

-

-

2005-2009

>99 (M) / 82 (F)

-

-

-

-

Two-source capture-recapture analysis

2001-2004

98 (97 – 99)

69 (68–70)

94 (93 – 95)

NA

NA

2005-2009

93 (91–95)

53 (52–54)

66 (65–67)

40 (39–40)

84 (83–86)

Three-source capture-recapture analysis (aggregated ages)

2005-2009

68 (63–73)

37 (34 – 40)

46 (43 – 50)

28 (26 – 30)

63 (58 – 67)

Three-source capture-recapture analysis (final disaggregation*)

2005-2009

69 (57 – 77)

38 (31 – 42)

47 (39 – 52)

28 (23 – 31)

63 (52–70)

  1. 95% confidence intervals shown in parentheses where applicable.
  2. HIS = Health Information System, RHS = Reproductive Health System, MoH = Ministry of Health (HIS and RHS data combined).
  3. * Capture-recapture analysis disaggregated by the following subgroups: 0 to 4 years (both sexes), males 5 years or older, and females 5 years or older.