Table 2 Time series analysis of search terms

FOOT PAIN

NH

p < 0.001, tau = 0.472

Yes

103.5

76.47

p = 0.004 95 % CI [22.2–32.1]

AUS

p < 0.001, tau = 0.221

Yes

101.90

84.23

p = 0.2588 % CI [−3.6–41.9]

ANKLE PAIN

NH

p < 0.001, tau = 0.531

Yes

94.02

71.88

p = 0.007895 % CI [20.9–35.5]

AUS

p = 0.9, tau = −0.007

No

100.20

93.61

-

HEEL PAIN

NH

p < 0.001, tau = 0.278

Yes

112.80

71.49

p = 0.00495 % CI [29.1–45.6]

AUS

0.005, tau = 0.144

Yes

104.70

83.85

p = 0.2575 % CI [15.9–21.4]

PLANTAR FACIITIS

NH

p < 0.001, tau = 0.598

Yes

105.30

80.98

p = 0.004 95 % CI [21.5–37.4]

AUS

p < 0.001, tau = 0.361

Yes

91.63

85.13

p = 0.063 95 % CI [5.2 - 13.6]

ANKLE SPRAIN

NH

p < 0.001, tau = 0.535

Yes

98.95

74.24

p = 0.004, W = 45 95 % CI [14.5–33.7]

AUS

p = 0.027, tau = 0.096

Yes

91.55

99.76

p = 0.125 88 % CI [7.6–18.7]

FOOT ORTHOTIC

NH

p = 0.001, tau = −0.157

No

98.87

96.34

-

AUS

-

-

-

INSOLE

NH

p < 0.001, tau = 0.628

No

84.26

93.48

-

AUS

p < 0.001, tau = 0.276

No

95.62

92.73

-

FOOT SURGERY

NH

p = 0.415, tau = −0.028

Yes

105.30

89.58

p = 0.031 95 % CI [3.5–20.9]

AUS

-

-

-

ANKLE ORTHOSES

NH

p < 0.001, tau = 0.354

Yes

97.64

90.07

p = 0.004 95 % CI [7.6–25.2]

AUS

-

-

-

ANKLE EXERCISES

NH

p = 0.067, tau = 0.078

Yes

99.82

76.32

p = 0.125 88 % CI [7.4–46.7]

AUS

-

-

-

ANKLE SURGERY

NH

p < 0.001, tau = 0.159

No

103.20

88.27

-

AUS

-

-

-