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Table 2 Clinical characteristics of parents and children by recruitment outcomes

From: Recruitment results among families contacted for an obesity prevention intervention: the Obesity Prevention Tailored for Health Study

 

Acceptedaand randomized (N = 361)

Acceptedaand not randomized (N = 402)

Refused (N = 1,360)

Unable to reach (N = 2,385)

Total (N = 4,508)b

n

(%)

n

(%)

n

(%)

n

(%)

n

(%)

Parents

BMI category (kg/m 2 ) c, ***

Mean (SD)

30.9

(6.5)

31.3

(7.0)

29.7

(5.8)

31.3

(6.6)

30.8

(6.4)

Underweight (<18.5)

18

(5.0)

18

(4.5)

121

(8.9)

320

(13.4)

477

(10.6)

Healthy weight (18.5-24.9)

55

(15.2)

62

(15.4)

245

(18.0)

288

(12.1)

650

(14.4)

Overweight (25-29.9)

127

(35.2)

123

(30.6)

462

(34.0)

699

(29.3)

1,411

(31.3)

Obese (30+)

161

(44.6)

199

(49.5)

532

(39.1)

1,078

(45.2)

1,970

(43.7)

Physical activity levels (minutes/week) c

Median (interquartile range)

60.0

(150.0)

60.0

(150.0)

60.0

(150.0)

60.0

(150.0)

60.0

(150.0)

0

116

(39.7)

151

(45.9)

428

(42.3)

737

(43.9)

1432

(43.2)

1-149

97

(33.2)

88

(26.8)

297

(29.4)

512

(30.5)

994

(30.0)

150

79

(27.1)

90

(27.3)

287

(28.4)

430

(25.6)

886

(26.8)

Missing

69

 

73

 

348

 

706

 

1,196

 

Length of health plan membership (years)*

Median (interquartile range)

10.1

(9.3)

9.0

(9.6)

9.6

(10.1)

8.8

(9.4)

9.2

(9.6)

Number of outpatient visits d, ***

Median (interquartile range)

11.0

(16.0)

11.0

(13.0)

9.0

(13.0)

8.0

(11.0)

8.0

(12.0)

0

4

(1.1)

2

(0.5)

50

(3.7)

151

(6.3)

207

(4.6)

1-3

44

(12.2)

53

(13.2)

205

(15.1)

479

(20.1)

781

(17.3)

4-6

60

(16.6)

67

(16.7)

264

(19.4)

440

(18.5)

831

(18.4)

7+

253

(70.1)

280

(70.0)

840

(61.8)

1,315

(55.1)

2,688

(59.6)

Missing

0

 

0

 

0

 

0

 

1

 

Number of flu vaccines d, ***

Median (interquartile range)

0.0

(1.0)

0.0

(1.0)

0.0

(1.0)

0.0

(1.0)

0.0

(1.0)

0

207

(57.3)

260

(64.7)

927

(68.2)

1,686

(70.7)

3,080

(68.3)

1

79

(21.9)

86

(21.4)

214

(15.7)

398

(16.7)

777

(17.2)

2

37

(10.3)

31

(7.7)

102

(7.5)

153

(6.4)

323

(7.2)

3+

38

(10.5)

25

(6.2)

117

(8.6)

148

(6.2)

328

(7.3)

Missing

0

 

0

 

0

 

0

 

0

 

Charlson weighted score e

0

313

(86.7)

344

(85.6)

1,168

(86.0)

2,042

(85.6)

3,867

(85.8)

1+

48

(13.3)

58

(14.4)

191

(14.0)

343

(14.4)

640

(14.2)

Missing

0

 

0

 

0

 

0

 

1

 

Health education classes

Bariatric surgery class f, ***

Yes

15

(4.2)

16

(4.0)

22

(1.6)

44

(1.8)

97

(2.2)

No

346

(95.8)

386

(96.0)

1,338

(98.4)

2,341

(98.2)

4,411

(97.8)

Missing

0

 

0

 

0

 

0

 

0

 

Any nutrition class f, *

Yes

10

(2.8)

9

(2.2)

11

(0.8)

22

(0.9)

52

(1.2)

No

351

(97.2)

393

(97.8)

1,349

(99.2)

2,363

(99.1)

4,456

(98.8)

Missing

0

 

0

 

0

 

0

 

0

 

Weight management class f

Yes

11

(3.1)

7

(1.7)

20

(1.5)

26

(1.1)

64

(1.4)

No

350

(96.9)

395

(98.3)

1,340

(98.5)

2,359

(98.9)

4,444

(98.6)

Missing

0

 

0

 

0

 

0

 

0

 

Children

BMI category (percentile) c, ***

Mean (SD)

76.2

(26.6)

75.7

(27.0)

68.5

(29.7)

72.9

(28.1)

72.1

(28.5)

Underweight (<5)

32

(8.9)

40

(10.0)

201

(14.8)

406

(17.0)

679

(16.1)

Healthy weight (5- < 85)

144

(39.9)

161

(40.0)

630

(46.3)

982

(41.2)

1,917

(42.5)

Overweight (85- < 95)

75

(20.8)

76

(18.9)

263

(19.3)

407

(17.1)

821

(18.2)

Obese (≥95)

110

(30.4)

125

(31.1)

266

(19.6)

590

(24.7)

1,091

(24.2)

Physical activity levels (minutes/week) c, ***

Median (interquartile range)

180.0

(200.0)

240.0

(180.0)

240.0

(150.0)

180.0

(200.0)

200.0

(180.0)

0

19

(10.9)

24

(12.8)

68

(10.9)

148

(14.6)

259

(12.9)

1-149

33

(18.9)

29

(15.4)

87

(13.9)

177

(17.5)

326

(16.3)

150-279

60

(34.3)

52

(27.7)

175

(28.0)

307

(30.3)

594

(29.7)

280-359

40

(22.9)

52

(27.7)

158

(25.3)

222

(21.9)

472

(23.6)

360+

23

(13.1)

31

(16.5)

136

(21.8)

160

(15.8)

350

(17.5)

Missing

186

 

214

 

736

 

1,371

 

2,507

 

Number of outpatient visits d, ***

Median (interquartile range)

7.0

(8.0)

6.0

(7.0)

5.0

(6.0)

5.0

(6.0)

5.0

(6.0)

0

7

(1.9)

13

(3.2)

66

(4.9)

152

(6.4)

238

(5.3)

1-3

79

(21.9)

99

(24.6)

354

(26.1)

715

(30.0)

1,247

(27.7)

4-6

89

(24.7)

103

(25.6)

400

(29.4)

662

(27.7)

1,254

(27.8)

7+

186

(51.5)

187

(46.5)

539

(39.7)

856

(35.9)

1,768

(39.2)

Missing

0

 

0

 

0

 

0

 

1

 

Number of flu vaccines d, **

Median (interquartile range)

0.0

(1.0)

0.0

(1.0)

0.0

(1.0)

0.0

(1.0)

0.0

(1.0)

0

187

(51.8)

229

(57.0)

786

(57.8)

1,480

(62.1)

2,682

(59.5)

1

93

(25.8)

90

(22.4)

294

(21.6)

489

(20.5)

966

(21.4)

2

40

(11.0)

49

(12.2)

138

(10.2)

226

(9.4)

453

(10.1)

3+

41

(11.4)

34

(8.4)

142

(10.4)

190

(8.0)

407

(9.0)

Missing

0

 

0

 

0

 

0

 

0

 
  1. aParents from Kaiser Permanente Southern California who accepted offer of study participation and gave verbal consent to disclose contact information to Claremont Graduate University for recruitment and randomization. bExcludes 222 families not eligible for participation. cBody mass index (BMI) and physical activity assessment from clinical encounter within 2 years closest to study contact date. dWithin 3 years of study contact date. eWithin 1 year before contact date. fClass within 2 years before contact date up to 2 years after contact date. *P < 0.05; **P < 0.001; ***P < 0.0001 testing for differences among the 4 groups.
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