Table 4 Mean differences and standard error (SE) in physical and mental health-related quality of life variables by cardiorespiratory fitness levels, distinguishing by gender and age

Levels of fitness

SF12-physical

Poor

Medium

Good

Model 1

Model 2

Model 3

Model 4

General

Women (< 50)

44.36 (1.85)

49.21 (1.21)

54.85 (1.00)

< 0.001

< 0.001

< 0.001

< 0.001

Women (> 50)

41.07 (1.97)

51.27 (1.34)

53.90 (1.12)

< 0.001

< 0.001

0.003

< 0.001

Men (< 50)

42.71 (2.60

53.38 (1.04)

55.45 (0.77)

< 0.001

< 0.001

0.001

0.003

Men (> 50)

50.13 (3.52)

50.18 (1.21)

54.04 (1.06)

0.058

0.094

0.042*

0.065

Fitness

Women (< 50)

48.03 (1.24)

51.95 (1.36)

54.84 (1.38)

0.002

0.002

0.010

0.011

Women (> 50)

48.48 (1.19)

52.45 (1.30)

54.31 (1.89)

0.015

0.016

0.048

0.059

Men (< 50)

50.38 (1.65)

54.11 (1.20)

55.26 (0.94)

0.042

0.044

0.415

0.193

Men (> 50)

48.58 (1.54)

54.02 (1.35)

53.00 (1.15)

0.029

0.016

0.018

0.042

Strength

Women (< 50)

47.65 (1.74)

50.77 (1.17)

54.12 (1.30)

0.012

0.014

0.039

0.018

Women (> 50)

47.21 (1.54)

51.14 (1.11)

54.71 (1.58)

0.004

0.005

0.009

0.011

Men (< 50)

53.67 (2.65)

53.29 (1.08)

54.73 (0.94)

0.598

0.559

0.952

0.699

Men (> 50)

-

50.50 (1.16)

53.92 (1.09)

0.034

0.053

0.110

0.349

Speed/agility

Women (< 50)

46.11 (1.95)

51.44 (1.14)

53.42 (1.26)

0.009

0.006

0.030

0.036

Women (> 50)

45.43 (1.92)

51.09 (1.06)

53.96 (1.44)

0.003

0.001

0.005

0.005

Men (< 50)

50.95 (2.92)

53.25 (0.99)

55.25 (0.97)

0.198

0.143

0.386

0.873

Men (> 50)

48.78 (2.07)

51.86 (1.27)

53.67 (1.16)

0.126

0.130

0.336

0.626

Flexibility

Women (< 50)

48.01 (1.61)

51.93 (1.43)

52.74 (1.18)

0.058

0.053

0.206

0.204

Women (> 50)

48.49 (1.52)

50.70 (1.26)

53.73 (1.46)

0.048

0.083

0.124

0.106

Men (< 50)

53.22 (1.21)

53.39 (1.00)

56.49 (1.37)

0.173

0.106

0.328

0.775

Men (> 50)

50.76 (1.39)

52.12 (1.39)

53.98 (1.43)

0.283

0.145

0.280

0.172

Levels of fitness

SF12-mental

Poor

Medium

Good

Model 1

Model 2

Model 3

Model 4

General

Women (< 50)

48.06 (1.95)

50.82 (1.28)

52.67 (1.06)

0.109

0.096

0.109

0.144

Women (> 50)

45.94 (2.95)

47.72 (1.54)

52.41 (1.67)

0.061

0.130

0.263

0.338

Men (< 50)

53.08 (4.61)

49.93 (1.84)

53.11 (1.36)

0.376

0.167

0.142

0.143

Men (> 50)

56.92 (4.21)

48.04 (1.44)

57.09 (1.27)

< 0.001

< 0.001

0.006

0.005

Fitness

Women (< 50)

48.67 (1.20)

53.45 (1.31)

52.50 (1.34)

0.019

0.018

0.026

0.025

Women (> 50)

48.76 (1.63)

48.80 (1.77)

52.09 (2.59)

0.513

0.556

0.478

0.373

Men (< 50)

51.77 (2.68)

50.66 (1.82)

53.13 (1.52)

0.579

0.399

0.363

0.297

Men (> 50)

50.83 (2.33)

53.23 (2.04)

54.79 (1.73)

0.402

0.547

0.877

0.978

Strength

Women (< 50)

48.84 (1.68)

51.01 (1.13)

53.18 (1.16)

0.115

0.140

0.267

0.314

Women (> 50)

45.11 (2.08)

50.36 (1.51)

51.83 (2.13)

0.056

0.237

0.416

0.508

Men (< 50)

51.83 (4.11)

50.16 (1.68)

53.50 (1.45)

0.329

0.290

0.206

0.294

Men (> 50)

-

49.91 (1.48)

56.59 (1.44)

0.002

0.016

0.011

0.053

Speed/agility

Women (< 50)

48.58 (1.89)

50.69 (1.10)

53.32 (1.22)

0.083

0.110

0.224

0.398

Women (> 50)

45.85 (2.64)

48.92 (1.46)

52.15 (1.98)

0.153

0.474

0.763

0.658

Men (< 50)

38.42 (4.35)

52.13 (1.47)

53.49 (1.45)

0.007

0.011

0.012

0.017

Men (> 50)

48.45 (2.95)

54.40 (1.81)

53.98 (1.66)

0.213

0.299

0.296

0.350

Flexibility

Women (< 50)

48.50 (1.54)

51.37 (1.37)

52.60 (1.12)

0.173

0.226

0.517

0.501

Women (> 50)

47.28 (2.03)

48.85 (1.68)

51.97 (1.95)

0.236

0.495

0.548

0.571

Men (< 50)

47.12 (1.81)

54.73 (1.49)

53.30 (2.05)

0.006

0.006

0.008

0.009

Men (> 50)

48.94 (1.81)

55.61 (1.81)

55.61 (1.88)

0.018

0.091

0.186

0.019