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Section

Tea Consumption.Details

Data summary

Baseline

Variable Stats / Values Freqs (% of Valid) Graph Missing
has_tea_details [factor]
  1. No
  1. Yes
343525 ( 66.7% )
171888 ( 33.3% )
0 (0.0%)
tea_age_start [integer]
Mean (sd) : 28.3 (13.3)
min ≤ med ≤ max:
0 ≤ 25 ≤ 77
IQR (CV) : 19 (0.5)
78 distinct values 343525 (66.7%)
tea_kind_most [factor]
  1. Green /Jasmine tea
  1. Oolong tea
  1. Black tea
  1. Other tea
146564 ( 85.3% )
7801 ( 4.5% )
17115 ( 10.0% )
408 ( 0.2% )
343525 (66.7%)
tea_cups_per_day [integer]
Mean (sd) : 4.2 (3)
min ≤ med ≤ max:
1 ≤ 3 ≤ 70
IQR (CV) : 4 (0.7)
38 distinct values 343525 (66.7%)
tea_changes_per_day [integer]
Mean (sd) : 0.6 (1)
min ≤ med ≤ max:
0 ≤ 0 ≤ 19
IQR (CV) : 1 (1.5)
17 distinct values 343525 (66.7%)
tea_grams_per_change_x10 [integer]
Mean (sd) : 25.3 (15.4)
min ≤ med ≤ max:
1 ≤ 20 ≤ 250
IQR (CV) : 30 (0.6)
34 distinct values 343525 (66.7%)
tea_strength [factor]
  1. Weak
  1. Moderate
  1. Strong
102679 ( 59.7% )
51284 ( 29.8% )
17925 ( 10.4% )
343525 (66.7%)
tea_temperature [factor]
  1. Room temperature / warm
  1. Hot
  1. Burning hot
68960 ( 40.1% )
77775 ( 45.2% )
25153 ( 14.6% )
343525 (66.7%)
tea_intake_change [factor]
  1. About the same as before
  1. Has increased a lot
  1. Has decreased a lot
153179 ( 89.1% )
12803 ( 7.4% )
5906 ( 3.4% )
343525 (66.7%)

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

Resurvey 1

Variable Stats / Values Freqs (% of Valid) Graph Missing
has_tea_details [factor]
  1. No
  1. Yes
14288 ( 72.2% )
5515 ( 27.8% )
0 (0.0%)
tea_age_start [integer]
Mean (sd) : 29.7 (13.9)
min ≤ med ≤ max:
1 ≤ 26 ≤ 76
IQR (CV) : 21 (0.5)
74 distinct values 14288 (72.2%)
tea_kind_most [factor]
  1. Green /Jasmine tea
  1. Oolong tea
  1. Black tea
  1. Other tea
4626 ( 83.9% )
283 ( 5.1% )
593 ( 10.8% )
13 ( 0.2% )
14288 (72.2%)
tea_cups_per_day [integer]
Mean (sd) : 4.2 (2.7)
min ≤ med ≤ max:
1 ≤ 4 ≤ 60
IQR (CV) : 4 (0.6)
19 distinct values 14288 (72.2%)
tea_changes_per_day [integer]
Mean (sd) : 0.6 (0.8)
min ≤ med ≤ max:
0 ≤ 0 ≤ 4
IQR (CV) : 1 (1.4)
0 : 3404 ( 61.7% )
1 : 1091 ( 19.8% )
2 : 900 ( 16.3% )
3 : 110 ( 2.0% )
4 : 10 ( 0.2% )
14288 (72.2%)
tea_grams_per_change_x10 [integer]
Mean (sd) : 25.6 (15.7)
min ≤ med ≤ max:
5 ≤ 20 ≤ 250
IQR (CV) : 30 (0.6)
18 distinct values 14288 (72.2%)
tea_strength [factor]
  1. Weak
  1. Moderate
  1. Strong
3309 ( 60.0% )
1611 ( 29.2% )
595 ( 10.8% )
14288 (72.2%)
tea_temperature [factor]
  1. Room temperature / warm
  1. Hot
  1. Burning hot
1999 ( 36.2% )
2775 ( 50.3% )
741 ( 13.4% )
14288 (72.2%)
tea_intake_change [factor]
  1. About the same as before
  1. Has increased a lot
  1. Has decreased a lot
5126 ( 92.9% )
271 ( 4.9% )
118 ( 2.1% )
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
has_tea_details [factor]
  1. No
  1. Yes
17890 ( 71.4% )
7164 ( 28.6% )
198 (0.8%)
tea_age_start [integer]
Mean (sd) : 32.9 (16.6)
min ≤ med ≤ max:
5 ≤ 30 ≤ 85
IQR (CV) : 25 (0.5)
76 distinct values 18088 (71.6%)
tea_kind_most [factor]
  1. Green /Jasmine tea
  1. Oolong tea
  1. Black tea
  1. Other tea
5260 ( 73.4% )
743 ( 10.4% )
736 ( 10.3% )
425 ( 5.9% )
18088 (71.6%)
tea_cups_per_day [integer]
Mean (sd) : 4.2 (3)
min ≤ med ≤ max:
1 ≤ 4 ≤ 40
IQR (CV) : 3 (0.7)
26 distinct values 18088 (71.6%)
tea_changes_per_day [integer]
Mean (sd) : 0.9 (1.2)
min ≤ med ≤ max:
0 ≤ 1 ≤ 20
IQR (CV) : 1 (1.3)
15 distinct values 18088 (71.6%)
tea_grams_per_change_x10 [integer]
Mean (sd) : 31.1 (17.2)
min ≤ med ≤ max:
2 ≤ 30 ≤ 180
IQR (CV) : 20 (0.6)
17 distinct values 18088 (71.6%)
tea_strength [factor]
  1. Weak
  1. Moderate
  1. Strong
3815 ( 53.3% )
2142 ( 29.9% )
1207 ( 16.8% )
18088 (71.6%)
tea_temperature [factor]
  1. Room temperature / warm
  1. Hot
  1. Burning hot
2419 ( 33.8% )
3609 ( 50.4% )
1136 ( 15.9% )
18088 (71.6%)
tea_intake_change [factor]
  1. About the same as before
  1. Has increased a lot
  1. Has decreased a lot
5868 ( 81.9% )
866 ( 12.1% )
430 ( 6.0% )
18088 (71.6%)
coffee_year [factor]
  1. Never or almost never
  1. Only occasionally
  1. Every month but less than
  1. Usually at least once a w
23064 ( 92.1% )
1451 ( 5.8% )
217 ( 0.9% )
322 ( 1.3% )
198 (0.8%)

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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Page generated: 27-02-2024