Table 3 Rate ratios for rheumatoid arthritis across quintiles of meat, poultry, and fish consumption among women in the Nurses' Health Study, 1980 to 2002

Total meat (red meat and poultry)

1

0.82

118

1.00

1.00

2

1.20

107

0.91 (0.70–1.18)

0.89 (0.68–1.17)

3

1.52

127

1.08 (0.84–1.39)

1.09 (0.84–1.42)

4

1.89

94

0.79 (0.60–1.04)

0.81 (0.61–1.08)

5

2.54

100

0.86 (0.65–1.12)

0.91 (0.67–1.23)

P for trend = 0.18^b

P for trend = 0.55^b

Red meat

1

0.53

123

1.00

1.00

2

0.89

112

0.92 (0.71–1.18)

0.92 (0.71–1.19)

3

1.21

115

0.92 (0.72–1.19)

0.95 (0.73–1.23)

4

1.57

98

0.80 (0.61–1.04)

0.82 (0.62–1.09)

5

2.22

98

0.80 (0.62–1.05)

0.86 (0.64–1.16)

P for trend = 0.09^b

P for trend = 0.35^b

Poultry

1

0.09

76

1.00

1.00

2

0.14

134

0.92 (0.69–1.22)

0.91 (0.69–1.21)

3

0.22

89

0.84 (0.62–1.14)

0.86 (0.63–1.17)

4

0.33

97

0.89 (0.66–1.21)

0.94 (0.69–1.28)

5

0.48

150

1.16 (0.88–1.54)

1.17 (0.88–1.55)

P for trend = 0.06^b

P for trend = 0.06^b

Fish

1

0.07

106

1.00

1.00

2

0.13

125

0.94 (0.73–1.22)

0.94 (0.73–1.23)

3

0.17

92

1.02 (0.76–1.37)

1.09 (0.81–1.47)

4

0.25

114

0.95 (0.71–1.26)

1.06 (0.80–1.40)

5

0.44

109

0.99 (0.75–1.30)

0.96 (0.72–1.26)

P for trend = 0.90^b

P for trend = 0.88^b