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Table 2 Descriptive statistics

From: Unconditional quantile regressions to determine the social gradient of obesity in Spain 1993–2014

Variable

Category

1993

2006

2014

Social Class (n and % in each category)

I

7293 (36.9 %)

2532 (8.9 %)

2376 (10.9 %)

II

306 (1.5 %)

2739 (9.6 %)

1776 (8.1 %)

III

876 (4.4 %)

7188 (25.2 %)

4038 (18.5 %)

IV

2847 (14.4 %)

7766 (27.2 %)

3199 (14.6 %)

V

5694 (28.8 %)

3816 (13.4 %)

7029 (32.1 %)

VI

2540 (12.8 %)

3846 (13.5 %)

2952 (13.5 %)

Missing

232 (1.2 %)

620 (2.2 %)

507 (2.3 %)

Equivalent family income (euros/month) (mean and standard deviation)

Percentile 10

 

273.45 (71.6)

287.23 (48.7)

Percentile 10–25

 

467.39 (42.2)

480.36 (20.5)

Percentile 25–50

 

640.96 (70)

711.69 (93.3)

Percentile 50–75

 

902.22 (130)

1081.57 (130.8)

Percentile 75–90

 

1368.12 (117.7)

1618.53 (188)

Percentile 90–100

 

2192.99 (641.2)

2938.84 (765.6)

Education (n and % in each category)

No education qualifications or primary studies incomplete

3175 (16 %)

3968 (13.9 %)

2832 (12.9 %)

Primary

9835 (49.7 %)

9909 (34.8 %)

4944 (22.6 %)

Secondary

4947 (25 %)

10,109 (35.5 %)

9931 (45.4 %)

University

1696 (8.6 %)

4385 (15.4 %)

4170 (19.1 %)

Missing

135 (0.7 %)

136 (0.5 %)

0 (0 %)

Age (mean and standard deviation)

 

44.88 (17.9)

51.19 (18.2)

53.29 (18.1)

Marital status (n and % in each category)

Single

5270 (26.6 %)

6867 (24.1 %)

5336 (24.4 %)

Married

12,581 (63.6 %)

16,430 (57.6 %)

12,081 (55.2 %)

Separated

264 (1.3 %)

868 (3 %)

545 (2.5 %)

Divorced

100 (0.5 %)

679 (2.4 %)

1006 (4.6 %)

Widowed

1512 (7.6 %)

3598 (12.6 %)

2887 (13.2 %)

Missing

61 (0.3 %)

65 (0.2 %)

22 (0.1 %)

Employment situation (n and % in each category)

Working

8177 (41.3 %)

13,375 (46.9 %)

7958 (36.4 %)

Retired

3626 (18.3 %)

7930 (27.8 %)

6447 (29.5 %)

Unemployed

1789 (9 %)

1747 (6.1 %)

2476 (11.3 %)

Studying

1437 (7.3 %)

731 (2.6 %)

2393 (10.9 %)

Housework

4621 (23.4 %)

4373 (15.3 %)

1613 (7.4 %)

Other

82 (0.4 %)

289 (1 %)

990 (4.5 %)

Missing

56 (0.3 %)

62 (0.2 %)

0 (0 %)