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Section

Pollution.Details

Data summary

Baseline

Variable Stats / Values Freqs (% of Valid) Graph Missing
home_pesticide_months [integer]
Mean (sd) : 4.1 (5.6)
min ≤ med ≤ max:
0 ≤ 0 ≤ 12
IQR (CV) : 12 (1.4)
13 distinct values 0 (0.0%)
winter_smoke [factor]
  1. Never
  1. Ever since childhood
  1. Since the year:
216170 ( 41.9% )
177154 ( 34.4% )
122089 ( 23.7% )
0 (0.0%)
winter_smoke_start_year [integer]
Mean (sd) : 1986 (11.6)
min ≤ med ≤ max:
1931 ≤ 1986 ≤ 2008
IQR (CV) : 15 (0)
76 distinct values 393324 (76.3%)
winter_smoke_stop [factor]
  1. In the specified year
  1. Still is
93425 ( 31.2% )
205818 ( 68.8% )
216170 (41.9%)
winter_smoke_stop_year [integer]
Mean (sd) : 1991.2 (9.4)
min ≤ med ≤ max:
1939 ≤ 1992 ≤ 2008
IQR (CV) : 14 (0)
67 distinct values 421988 (81.9%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27

Resurvey 1

Variable Stats / Values Freqs (% of Valid) Graph Missing
home_pesticide_months [integer]
Mean (sd) : 4.5 (5.8)
min ≤ med ≤ max:
0 ≤ 0 ≤ 12
IQR (CV) : 12 (1.3)
12 distinct values 0 (0.0%)
winter_smoke [factor]
  1. Never
  1. Ever since childhood
  1. Since the year:
7866 ( 39.7% )
6448 ( 32.6% )
5489 ( 27.7% )
0 (0.0%)
winter_smoke_start_year [integer]
Mean (sd) : 1987.4 (10.9)
min ≤ med ≤ max:
1937 ≤ 1988 ≤ 2008
IQR (CV) : 13 (0)
70 distinct values 14314 (72.3%)
winter_smoke_stop [factor]
  1. In the specified year
  1. Still is
3629 ( 30.4% )
8308 ( 69.6% )
7866 (39.7%)
winter_smoke_stop_year [integer]
Mean (sd) : 1992.7 (10.4)
min ≤ med ≤ max:
1949 ≤ 1992 ≤ 2008
IQR (CV) : 18 (0)
54 distinct values 16174 (81.7%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27

Resurvey 2

Variable Stats / Values Freqs (% of Valid) Graph Missing
fam_smoke_exposure [factor]
  1. Occasionally (<1 time/wee
  1. 1-2 days/week
  1. 3-5 days/week
  1. Daily or almost every day
4254 ( 44.5% )
631 ( 6.6% )
509 ( 5.3% )
4166 ( 43.6% )
15692 (62.1%)
fam_smoke_exposure_hours [integer]
Mean (sd) : 11.3 (10.1)
min ≤ med ≤ max:
1 ≤ 7 ≤ 80
IQR (CV) : 16 (0.9)
50 distinct values 19946 (79.0%)
home_pesticide_months [integer]
Mean (sd) : 2.1 (4.4)
min ≤ med ≤ max:
0 ≤ 0 ≤ 12
IQR (CV) : 0 (2.1)
13 distinct values 198 (0.8%)
oth_smoke_exposure [factor]
  1. Never or almost never
  1. Occasionally (<1 time/wee
  1. 1-2 days/week
  1. 3-5 days/week
  1. Daily or almost every day
12339 ( 49.2% )
6624 ( 26.4% )
1382 ( 5.5% )
1370 ( 5.5% )
3339 ( 13.3% )
198 (0.8%)
oth_smoke_exposure_hours [integer]
Mean (sd) : 12.7 (11.3)
min ≤ med ≤ max:
1 ≤ 10 ≤ 80
IQR (CV) : 16 (0.9)
46 distinct values 19161 (75.9%)
cooking_start_age [integer]
Mean (sd) : 24.2 (12.7)
min ≤ med ≤ max:
6 ≤ 22 ≤ 80
IQR (CV) : 10 (0.5)
75 distinct values 8566 (33.9%)
wear_warm_clothes [factor]
  1. No
  1. Yes
9663 ( 69.2% )
4301 ( 30.8% )
11288 (44.7%)
winter_smoke [factor]
  1. Never
  1. Ever since childhood
  1. Since the year:
15435 ( 61.6% )
6091 ( 24.3% )
3528 ( 14.1% )
198 (0.8%)
winter_smoke_start_year [integer]
Mean (sd) : 1987.1 (13.8)
min ≤ med ≤ max:
1937 ≤ 1986 ≤ 2014
IQR (CV) : 19 (0)
73 distinct values 21724 (86.0%)
winter_smoke_stop [factor]
  1. In the specified year
  1. Still is
5710 ( 59.4% )
3909 ( 40.6% )
15633 (61.9%)
winter_smoke_stop_year [integer]
Mean (sd) : 1999.5 (11.2)
min ≤ med ≤ max:
1941 ≤ 2003 ≤ 2014
IQR (CV) : 19 (0)
63 distinct values 19542 (77.4%)
had_gas_exposure [factor]
  1. No
  1. Yes
22582 ( 90.1% )
2472 ( 9.9% )
198 (0.8%)
gas_exposure_years [integer]
Mean (sd) : 15.8 (11.3)
min ≤ med ≤ max:
1 ≤ 14.5 ≤ 60
IQR (CV) : 19 (0.7)
52 distinct values 22780 (90.2%)
had_dust_exposure [factor]
  1. No
  1. Yes
22369 ( 89.3% )
2685 ( 10.7% )
198 (0.8%)
dust_exposure_years [integer]
Mean (sd) : 15.9 (11.1)
min ≤ med ≤ max:
1 ≤ 15 ≤ 70
IQR (CV) : 19 (0.7)
52 distinct values 22567 (89.4%)
had_fibre_exposure [factor]
  1. No
  1. Yes
24410 ( 97.4% )
644 ( 2.6% )
198 (0.8%)
fibre_exposure_years [integer]
Mean (sd) : 14.8 (10.3)
min ≤ med ≤ max:
1 ≤ 12 ≤ 42
IQR (CV) : 17 (0.7)
39 distinct values 24608 (97.4%)

Generated by summarytools 1.0.1 (R version 4.3.1)
2024-02-27




International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024