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Table 1 Detailed information on used studies

From: Lifestyle factors, metabolic factors and socioeconomic status for pelvic organ prolapse: a Mendelian randomization study

Lifestyle factor

Unit

Participants included in analysis

Adjustments

IVs

Sample overlap (%)

PubMed ID

Smoking initiation

SD in prevalence of smoking initiation

1,232,091 European-descent individuals

Age, sex, and the first ten genetic principal components

11

2.5

30643251

Alcohol drinking

SD increase of log-transformed alcoholic drinks/week

941,280 European-descent individuals

Age, sex, and the first ten genetic principal components

6

3.3

30643251

Coffee consumption

50% change

375,833 European-descent individuals

Age, sex, body mass index, total energy, proportion of typical food intake, and 20 genetic principal components

32

6.2

31046077

Vigorous physical activity

≥ 3 versus 0 day/week

98,060 cases and 162,995 controls of European descent

Age, sex, genotyping chip, first ten genomic principal components, and center

15

11.8

29899525

Heavy physical work

Never or rarely; sometimes; usually; always; do not know

288,477 European-descent individuals

–

22

9.6

–

Metabolic factor

 Body mass index

SD

224,459 European-descent individuals

Age, sex, genotyping chip

42

2.9

25673412

 WHR

SD

224,459 European-descent individuals

Age, sex, genotyping chip

25

3.1

25673412

 WHR adjusted for BMI

SD

224,459 European-descent individuals

Age, sex, genotyping chip

34

3.3

25673412

 Type 2 diabetes

One-unit in log-transformed odds

898,130 European-descent individuals

Age, sex, and the first ten genetic principal components

231

0.0

30297969

 Systolic blood pressure

10 mm Hg

Up to 1,006,863 European-descent individuals

Age, sex, BMI, genotyping chips

444

3.4

30224653

 Diastolic blood pressure

10 mm Hg

Up to 1,006,863 European-descent individuals

Age, sex, BMI, genotyping chips

448

3.6

30224653

 LDL-C

SD

188,577 European-ancestry individuals

Age, sex, BMI, genotyping chips

96

7.8

24097068

 HDL-C

SD

188,577 European-ancestry individuals

Age, sex, BMI, genotyping chips

122

7.8

24097068

 Triglycerides

SD

188,577 European-ancestry individuals

Age, sex, BMI, genotyping chips

71

6.9

24097068

Socioeconomic status

 Education attainment

SD change of education years

765,283 European-ancestry individuals

Age, sex, genotyping chip

404

1.3

35361970

  1. WHR: waist–to-hip ratio; BMI: body mass index; LDL-C: low-density lipoprotein cholesterol; HDL-C: high-density lipoprotein cholesterol; SD: standard deviation; IVs: instrumental variables