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Table 2 Indicators of socioeconomic conditions based on official statistics, Germany

From: Hip fractures and area level socioeconomic conditions: a population-based study

Socioeconomic indicator Definition (unit of measure) a Median, interquartile range (IQR), Ratio of IQR and median, (minimum, maximum)
Total population b
(1996–2000)
Total census tract population (N) 560802, 224900, 0.40 (124757, 3418720)
Census tract area b Census tract area (km2) 2531, 3337, 1.32 (78, 11542)
Population density b
(1995–2000)
Number of people per km2
(persons per km2)
238, 643, 2.71 (57, 3917)
Non-German nationals b
(1995–2000)
Non-German nationals in census tract population (%) 8, 7, 0.83 (1, 25)
Household income c
(1991–2001)
Household income per no. of persons per household (Euro per person) 780, 102, 0.13 (609–1059)
Living space b
(1996–2000)
Living space per no. of persons
(m2 per person)
38, 5, 0.13 (31–44)
Single-parent family c
(1991–2001)
Single-parent families among all families (%) 8, 2, 0.23 (7–15)
Unemployment rate b
(1996–2000)
Persons without a job among all persons capable of work (%) 10, 6, 0.64 (5–22)
Welfare recipientsb
(1996, 1997, 2000)
Welfare recipients in census tract population (%) 3, 2, 0.69 (1–12)
  1. a For each indicator, a weighted average of calendar year-specific values was calculated at census tract level
  2. b Data from annually updated official statistics covering the total population c Data from census tract files (microcensus)