Total samples

Non-enrollment group

Enrollment group

mean

S.D.

mean

S.D.

mean

S.D.

Year

2000

0.2198

0.4141

0.6978

0.4593

0.0230

0.1498

2011

0.7802

0.4141

0.3022

0.4593

0.9770

0.1498

Predisposing factors

Age category

age 0 - 20

0.2153

0.4110

0.2953

0.4562

0.1825

0.3863

age 20 - 29

0.0966

0.2954

0.1506

0.3577

0.0751

0.2636

age 20 - 39

0.1203

0.3253

0.1374

0.3443

0.1127

0.3163

age 30 - 49

0.1882

0.3909

0.1426

0.3497

0.2061

0.4045

age 40 - 59

0.1649

0.3712

0.1058

0.3077

0.1896

0.3920

age 60 - 69

0.1290

0.3353

0.0850

0.2789

0.1471

0.3543

age70 and over

0.0857

0.2799

0.0833

0.2763

0.0869

0.2816

Education category

no schooling

0.3127

0.4636

0.2719

0.4450

0.3281

0.4695

primary school

0.2359

0.4246

0.2369

0.4252

0.2364

0.4249

junior high school

0.3353

0.4721

0.3420

0.4745

0.3323

0.4711

senior high school

0.0824

0.2751

0.1025

0.3033

0.0742

0.2622

vocational school

0.0205

0.1418

0.0273

0.1629

0.0181

0.1331

college and over

0.0132

0.1141

0.0194

0.1382

0.0109

0.1041

Health care need factors

Self-reported health Status

very good

0.1469

0.3541

0.1533

0.3604

0.1452

0.3523

good

0.3807

0.4856

0.4567

0.4983

0.3552

0.4786

generally

0.3966

0.4892

0.3125

0.4636

0.4242

0.4943

bad

0.0635

0.2438

0.0743

0.2623

0.0601

0.2377

very bad

0.0083

0.0906

0.0021

0.0462

0.0103

0.1010

don’t know

0.0040

0.0637

0.0011

0.0327

0.0050

0.0710

Hypertension

0.1294

0.5366

0.0939

0.4435

0.1408

0.5636

Diabetes

0.0392

0.4530

0.0312

0.3262

0.0418

0.4866

Enabling factors

Regions

Beijing

0.0263

0.1600

0.0160

0.1253

0.0307

0.1725

Liaoning

0.0714

0.2576

0.0923

0.2895

0.0633

0.2436

Heilongjiang

0.0958

0.2943

0.1128

0.3164

0.0892

0.2851