combined_dep_and_ckb_logo

Section

Tea Consumption.Basic


Data summary

Baseline

Variable Stats / Values Freqs (% of Valid) Graph Missing
tea_year [factor]
  1. Never or almost never
  1. Only occasionally
  1. Only at certain seasons
  1. Every month but less than
  1. Usually at least once a w
182956 ( 35.5% )
125945 ( 24.4% )
14621 ( 2.8% )
20003 ( 3.9% )
171888 ( 33.3% )
0 (0.0%)
tea_drank_in_past [factor]
  1. No
  1. Yes
331902 ( 96.6% )
11623 ( 3.4% )
171888 (33.3%)
tea_years_ago [integer]
Mean (sd) : 4.9 (5.7)
min ≤ med ≤ max:
1 ≤ 3 ≤ 54
IQR (CV) : 5 (1.2)
52 distinct values 503790 (97.7%)
tea_weekly [factor]
  1. 1-2 days/week
  1. 3-5 days/week
  1. Daily or almost every day
16119 ( 9.4% )
21139 ( 12.3% )
134630 ( 78.3% )
343525 (66.7%)

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

Qc

Variable Stats / Values Freqs (% of Valid) Graph Missing
tea_year [factor]
  1. Never or almost never
  1. Only occasionally
  1. Only at certain seasons
  1. Every month but less than
  1. Usually at least once a w
5491 ( 34.7% )
3413 ( 21.6% )
479 ( 3.0% )
681 ( 4.3% )
5752 ( 36.4% )
0 (0.0%)

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

Resurvey 1

Variable Stats / Values Freqs (% of Valid) Graph Missing
tea_year [factor]
  1. Never or almost never
  1. Only occasionally
  1. Only at certain seasons
  1. Every month but less than
  1. Usually at least once a w
7760 ( 39.2% )
5173 ( 26.1% )
680 ( 3.4% )
675 ( 3.4% )
5515 ( 27.8% )
0 (0.0%)
tea_drank_in_past [factor]
  1. No
  1. Yes
13921 ( 97.4% )
367 ( 2.6% )
5515 (27.8%)
tea_years_ago [integer]
Mean (sd) : 5.2 (5.8)
min ≤ med ≤ max:
1 ≤ 3 ≤ 40
IQR (CV) : 5 (1.1)
24 distinct values 19436 (98.1%)
tea_weekly [factor]
  1. 1-2 days/week
  1. 3-5 days/week
  1. Daily or almost every day
378 ( 6.9% )
671 ( 12.2% )
4466 ( 81.0% )
14288 (72.2%)

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

Resurvey 2

Variable Stats / Values Freqs (% of Valid) Graph Missing
tea_year [factor]
  1. Never or almost never
  1. Only occasionally
  1. Only at certain seasons
  1. Every month but less than
  1. Usually at least once a w
12799 ( 51.1% )
4236 ( 16.9% )
356 ( 1.4% )
500 ( 2.0% )
7163 ( 28.6% )
198 (0.8%)
tea_drank_in_past [factor]
  1. No
  1. Yes
17266 ( 96.5% )
625 ( 3.5% )
7361 (29.2%)
tea_years_ago [integer]
Mean (sd) : 7.2 (8.3)
min ≤ med ≤ max:
1 ≤ 5 ≤ 57
IQR (CV) : 8 (1.1)
30 distinct values 24627 (97.5%)
tea_weekly [factor]
  1. 1-2 days/week
  1. 3-5 days/week
  1. Daily or almost every day
508 ( 7.1% )
636 ( 8.9% )
6020 ( 84.0% )
18088 (71.6%)

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

Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email:

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

Page generated: 27-02-2024