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Table 2 Descriptive statistics of health behaviors and the probabilities and conditional probabilities of lifestyle latent classes, N = 3827

From: Status constraint and lifestyle transition: a latent class analysis of health-related lifestyles among different social strata in China

Lifestyle indicators

Measurement

Descriptive statistics

Conditional probability

Sample size

Percentage

Class 1

Class 2

Class 3

Smoking

Never

1890

65.3

.8461

.8800

.0202

Several times a year

18

.6

.0006

.0114

.0142

Several times a month

17

.6

.0036

.0043

.0174

Several times a week

73

2.5

.0116

.0001

.0895

Every day

897

31.0

.1381

.1042

.8587

Drinking

Never

1681

58.1

.8273

.6645

.0124

Several times a year

292

10.1

.0536

.1631

.1342

Several times a month

356

12.3

.0393

.1197

.2760

Several times a week

261

9.0

.0268

.0422

.2882

Every day

305

10.5

.0530

.0105

.2893

Physical exercise

Never

1548

53.5

.7715

.0589

.5401

Several times a year

255

8.8

.0499

.1643

.1253

Several times a month

220

7.6

.0164

.2032

.0752

Several times a week

373

12.9

.0355

.3154

.1225

Every day

499

17.2

.1267

.2583

.1369

Rest and relaxation

Rarely

491

17.0

.2002

.0924

.1884

Sometimes

818

28.3

.2723

.3105

.2648

Regularly

1196

41.3

.3672

.5015

.4261

Always resting

390

13.5

.1603

.0956

.1207

Regular physical examination

Never

1251

43.2

.5574

.1259

.5082

Irregularly

1070

37.0

.3497

.4819

.3346

Regularly

574

19.8

.0929

.3921

.1571

Latent class probability

——

——

——

.5261

.2768

.1971

  1. Note: the sample size is 3827, which includes all effective responses in the original sample (3866 observations). To maximize the use of the effective sample, weighted original sample is used in descriptive analysis of lifestyle and in constructing latent class models later in this paper