Table 4

Univariate associations between injury riska and age, physical characteristics, and physical fitness

Variable

Men

Women


Strata

N

Injured(%)

Hazard Ratios (95%CI) from Cox Regressions

p-value(from Wald statistic)

Strata

N

Injured(%)

Hazard Ratios(95%CI) fromCox Regressions

p-value(from Waldstatistic)


Age

24.4-29.9 Years

188

26.6

1.00

Referent

24.1-29.9 years

60

36.7

1.00

Referent


30.0-38.6 Years

238

41.6

1.83 (1.30-2.57)

<0.01

30.0-37.0 years

45

48.9

1.52 (0.84-2.75)

0.16


Height

144-175 cm

123

35.0

1.02 (0.69-1.51)

0.93

147-162 cm

39

46.2

1.49 (0.72-3.10)

0.28


176-178 cm

73

30.1

0.79 (0.48-1.28)

0.34

163-168 cm

31

45.2

1.45 (0.67-3.14)

0.35


179-180 cm

65

38.5

1.10 (0.69-1.75)

0.70

169-180 cm

35

34.3

1.00

Referent


181-205 cm

165

35.8

1.00

Referent


Body Mass

51.8-75.9 kg

109

33.9

1.00

Referent

47.7-56.8 kg

35

42.9

1.00

Referent


76.0-81.8 kg

127

33.1

0.98 (0.61-1.57)

0.91

56.9-63.6 kg

35

45.7

1.15 (0.57-2.33)

0.70


81.9-88.6 kg

99

32.3

0.98 (0.61-1.57)

0.92

63.7-90.9 kg

35

37.1

0.91 (0.43-1.91)

0.80


88.7-113.6 kg

91

41.8

1.24 (0.79-1.95)

0.35


Body Mass Index

16.51-23.74 kg/m2

108

34.3

1.00

Referent

18.25-21.26 kg/m2

37

43.2

1.00

Referent


23.75-25.11 kg/m2

110

25.5

0.74 (0.46-1.22)

0.24

21.27-23.30 kg/m2

34

44.1

1.13 (0.56-2.29)

0.73


25.12-26.63 kg/m2

103

48.5

1.54 (1.00-2.36)

0.05

23.31-29.54 kg/m2

34

38.2

0.93 (0.45-1.94)

0.85


26.64-38.74 kg/m2

105

32.4

0.95 (0.60-1.52)

0.84


Body Mass Index

16.5-24.99 kg/m2

191

30.4

1.00

Referent

16.5-24.99 kg/m2

94

42.6

1.00

Referent


25.00-29.99 kg/m2

223

36.3

1.18 (0.89-1.92)

0.26

25.00-29.99 kg/m2

11

36.4

0.92 (0.33-2.57)

0.87


≥ 30 kg/m2

12

8.3

0.24 (0.03-1.72)

0.16

≥ 30 kg/m2

0

-----

-----

-----


Push-Ups

1-31 repetitions

104

37.5

1.20 (0.76-1.91)

0.44

0-13 repetitions

36

50.0

1.38 (0.67-2.81)

0.38


32-36 repetitions

112

40.2

1.38 (0.88-2.16)

0.16

14-20 repetitions

35

37.1

0.95 (0.44-2.04)

0.89


37-42 repetitions

106

30.2

0.97 (0.60-1.58)

0.91

21-39 repetitions

34

38.2

1.00

Referent


43-71 repetitions

104

31.7

1.00

Referent


Sit-Ups

28-40 repetition

97

42.7

1.32 (0.83-2.09)

0.23

26-40 repetition

38

42.1

1.28 (0.61-2.71)

0.52


41-44 repetitions

132

34.0

1.05 (0.65-1.68)

0.84

41-44 repetitions

34

47.1

1.44 (0.68-3.05)

0.34


45-47 repetitions

101

29.5

0.84 (0.53-1.34)

0.46

45-51 repetitions

33

36.4

1.00

Referent


48-59 repetitions

96

35.6

1.00

Referent


300-Meter Sprint

40-44 seconds

123

28.5

1.00

Referent

46-55 seconds

42

35.7

1.00

Referent


45-46 seconds

132

34.1

1.23 (0.79-1.91)

0.36

56-58 seconds

41

39.0

1.17 (0.58-2.37)

0.66


47-48 seconds

108

39.8

1.48 (0.95-2.32)

0.08

59-62 seconds

22

59.1

2.23 (1.06-4.70)

0.04


49-55 seconds

63

41.3

1.71 (1.03-2.84)

0.04


1.5-Mile Run

8.18-10.35 min

108

25.9

1.00

Referent

10.05-12.06 min

35

40.0

1.00

Referent


10.36-11.10 min

107

30.8

1.24 (0.75-2.05)

0.41

12.07-12.95 min

35

37.1

0.90 (0.42-1.92)

0.80


11.11-11.64 min

104

37.5

1.60 (0.99-2.61)

0.06

12.96-14.92 min

35

62.9

1.95 (1.00-3.80)

0.05


11.65-15.02 min

106

45.3

2.06 (1.30-3.29)

<0.01


PhysicalFitnessTest Score

1-11 points

114

43.0

1.73 (1.09-2.75)

0.02

2-10 points

38

47.4

2.04 (1.00-4.14)

0.05


12-14 points

107

30.8

1.15 (0.70-1.91)

0.58

11-14 points

32

43.8

1.77 (0.84-3.71)

0.13


15-18 points

108

36.1

1.35 (0.82-2.17)

0.24

15-27 points

35

34.3

1.00

Referent


19-37 points

97

28.9

1.00

Referent


Pull-Ups

0-4 repetitions

94

41.5

1.12 (0.72-1.75)

0.62

0 repetitions

78

43.6

1.17 (0.58-2.37)

0.66


5-8 repetitions

138

33.3

0.85 (0.55-1.31)

0.46

1-12 repetitions

27

37.0

1.00

Referent


9-11 repetitions

92

27.2

0.64 (0.39-1.06)

0.08


12-22 repetitions

100

38.0

1.00

Referent


aAny injury (overuse and traumatic)

Knapik et al. BMC Public Health 2011 11:920   doi:10.1186/1471-2458-11-920

Open Data