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Table 4 Change in odds of adolescents being defined as physically inactive1 per year and compared to 1993

From: Trends in physical activity and inactivity amongst US 14–18 year olds by gender, school grade and race, 1993–2003: evidence from the youth risk behavior survey

 

Change in odds per year (95% CI)2

Odds ratio (95% CI)2, compared to 1993

  

1993

1995

1997

1999

2001

2003

All

1.01 (1.00 to 1.03)

1.00

1.03 (0.85 to 1.24)

1.15 (0.99 to 1.32)

1.03 (0.89 to 1.18)

1.01 (0.90 to 1.13)

1.21 (1.02 to 1.43)*

Gender

   Girls

1.00 (0.98 to 1.02)

1.00

1.08 (0.84 to 1.38)

1.22 (1.00 to 1.49)

1.00 (0.83 to 1.20)

0.95 (0.82 to 1.11)

1.08 (0.89 to 1.32)

   Boys

1.03 (1.01 to 1.05)*

1.00

0.96 (0.81 to 1.14)

1.13 (0.97 to 1.31)

1.05 (0.83 to 1.33)

1.05 (0.90 to 1.22)

1.41 (1.16 to 1.71)*

   9

1.03 (1.01 to 1.05)*

1.00

1.34 (1.00 to 1.78)*

1.46 (1.18 to 1.81)*

1.30 (0.98 to 1.73)

1.20 (0.99 to 1.46)

1.63 (1.27 to 2.09)*

   10

1.02 (1.00 to 1.04)*

1.00

0.89 (0.67 to 1.16)

1.29 (1.05 to 1.59)

1.15 (0.86 to 1.55)

1.06 (0.87 to 1.28)

1.32 (1.06 to 1.63)*

   11

1.02 (1.00 to 1.04)

1.00

1.11 (0.81 to 1.53)

1.05 (0.84 to 1.31)

1.15 (0.92 to 1.44)

1.13 (0.95 to 1.33)

1.22 (0.98 to 1.51)

   12

1.00 (0.98 to 1.02)

1.00

0.93 (0.71 to 1.21)

1.01 (0.76 to 1.34)

0.85 (0.67 to 1.08)

0.94 (0.76 to 1.16)

1.08 (0.85 to 1.37)

Race

   NHW 3

1.02 (1.00 to 1.03)

1.00

0.93 (0.75 to 1.15)

1.08 (0.87 to 1.33)

1.01 (0.86 to 1.17)

1.01 (0.87 to 1.18)

1.21 (0.95 to 1.53)

   Black 4

1.00 (0.98 to 1.01)

1.00

1.16 (0.95 to 1.43)

1.22 (0.99 to 1.51)

1.13 (0.82 to 1.56)

0.86 (0.71 to 1.04)

1.09 (0.90 to 1.31)

   HW 5

1.01 (0.99 to 1.03)

1.00

1.25 (0.94 to 1.65)

1.02 (0.80 to 1.30)

1.05 (0.81 to 1.37)

1.07 (0.90 to 1.28)

1.22 (1.00 to 1.49)*

   Other

1.01 (0.98 to 1.04)

1.00

1.10 (0.66 to 1.81)

1.46 (1.03 to 2.07)*

0.98 (0.68 to 1.40)

1.20 (0.91 to 1.59)

1.26 (0.94 to 1.70)

  1. 1 reported "exercise or sports activities that make you sweat and breathe hard for 20 minutes or more" on no days in last week; 295% confidence intervals; 3non-Hispanic white; 4black or African-American; 5Hispanic white
  2. *p < 0.05