Skip to main content

Table 1 Proportion of participants by IRIS size and proportion of IRIS by size

From: Ability of ecological deprivation indices to measure social inequalities in a French cohort

 

All

Urban

Rural

Total number of participants

63,888

49,107

14,781

Number of participants by IRIS

   

 Mean ± SD

2.9 ± 2.5

3.5 ± 2.8

1.8 ± 1.5

 Median

2

3.0

1.0

 Min - Max

1–45

1–45

1–18

Number of participants by IRIS size, n (%)1

   

 IRIS with 1 participant

8975 (14.0)

3680 (7.5)

5295 (35.8)

 IRIS with 2 participants

9056 (14.2)

5826 (11.9)

3230 (21.9)

 IRIS with 3 to 5 participants

22,750 (35.6)

18,608 (37.9)

4142 (28.0)

 IRIS with 6 to 10 participants

17,403 (27.2)

15,638 (31.8)

1765 (11.9)

 IRIS with 11 to 20 participants

5372 (8.4)

5023 (10.2)

349 (2.4)

 IRIS with 21 to 45 participants

332 (0.5)

332 (0.7)

0 (−)

Number of IRIS, n (%) 2

22,372

14,036

8336

 IRIS with 1 participant

8975 (40.1)

3680 (26.2)

5295 (63.5)

 IRIS with 2 participants

4528 (20.2)

2913 (20.8)

1615 (19.4)

 IRIS with 3 to 5 participants

6052 (27.1)

4895 (34.9)

1157 (13.9)

 IRIS with 6 to 10 participants

2394 (10.7)

2153 (15.3)

241 (2.9)

 IRIS with 11 to 20 participants

409 (1.8)

381 (2.7)

28 (0.3)

 IRIS with 21 to 45 participants

14 (0.1)

14 (0.1)

0 (−)

  1. ±SD Standard deviation
  2. IRIS Regrouped statistical information blocks
  3. The denominator corresponds to 1 total number of participants, 2 number of IRIS