. 2014 Jul;134(1):e112–e119. doi: 10.1542/peds.2013-3962

TABLE 2.

Results From Behavioral Checklist by Gender and Pubertal Group

	Prepubertal				Postpubertal
	Boys		Girls		Boys		Girls
	Pre	Post	Pre	Post	Pre	Post	Pre	Post
Nervous	1.10 ± 0.07	1.02 ± 0.02	1.12 ± 0.08	1.04 ± 0.03	1.1 ± 0.05	1.02 ± 0.02	1.10 ± 0.06	1.00 ± 0.00
Lively	2.50 ± 0.2	2.33 ± 0.23	2.79 ± 0.26	2.69 ± 0.28	2.2 ± 0.21	2.12 ± 0.19	2.48 ± 0.18	2.00 ± 0.17
Happy	3.30 ± 0.3	3.27 ± 0.28	4.31 ± 0.20	4.19 ± 0.24	3.4 ± 0.19	3.37 ± 0.19	3.03 ± 0.20	3.13 ± 0.23
Sad	1.10 ± 0.06	1.02 ± 0.02	1.08 ± 0.07	1.00 ± 0.00	1.10 ± 0.06	1.06 ± 0.04	1.48 ± 0.16	1.35 ± 0.15
Dizzy	1.10 ± 0.05	1.1 ± 0.05	1.25 ± 0.12	1.15 ± 0.08	1.06 ± 0.03	1.00 ± 0.00	1.05 ± 0.05	1.13 ± 0.05
Falling asleep^a	1.40 ± 0.12	1.48 ± 0.12	1.50 ± 0.19	1.52 ± 0.20	1.29 ± 0.08	1.39 ± 0.11	1.50 ± 0.15	1.65 ± 0.17
Body tired	1.25 ± 0.08	1.56 ± 0.15	1.42 ± 0.17	1.46 ± 0.17	1.40 ± 0.92	1.60 ± 0.12	1.88 ± 0.18	1.78 ± 0.17
Need to pee	1.17 ± 0.07	1.69 ± 0.18	1.15 ± 0.07	1.69 ± 0.19	1.12 ± 0.06	1.44 ± 0.16	1.58 ± 0.16	2.38 ± 0.28
Headache	1.29 ± 0.14	1.17 ± 0.07	1.21 ± 0.15	1.13 ± 0.08	1.17 ± 0.07	1.14 ± 0.05	1.40 ± 0.13	1.23 ± 0.09
Can’t sleep	1.27 ± 0.13	1.23 ± 0.09	1.40 ± 1.19	1.40 ± 0.20	1.08 ± 0.05	1.1 ± 0.06	1.13 ± 0.07	1.08 ± 0.04
Irregular heart beat	1.23 ± 0.12	1.17 ± 0.1	1.17 ± 0.11	1.15 ± 0.08	1.02 ± 0.02	1.08 ± 0.05	1.05 ± 0.05	1.03 ± 0.03
Diarrhea	1.02 ± 0.02	1.06 ± 0.04	1.02 ± 0.02	1.08 ± 0.08	1.02 ± 0.02	1.02 ± 0.02	1.00 ± 0.00	1.00 ± 0.00
Impatient	1.40 ± 0.16	1.31 ± 0.11	1.15 ± 0.08	1.27 ± 0.16	1.23 ± 0.08	1.23 ± 0.08	1.28 ± 0.09	1.53 ± 0.17
Hungry	2.48 ± 0.25	2.73 ± 0.28	2.46 ± 0.25	2.67 ± 0.26	2.27 ± 0.17	2.50 ± 0.22	1.95 ± 0.19	2.15 ± 0.24
Cranky	1.00 ± 0.00	1.00 ± 0.00	1.02 ± 0.02	1.02 ± 0.02	1.12 ± 0.06	1.1 ± 0.05	1.33 ± 0.12	1.20 ± 0.11
Motivated^b	1.94 ± 0.24	1.89 ± 0.23	2.77 ± 0.25	2.75 ± 0.32	2.04 ± 0.19	1.90 ± 0.19	2.25 ± 0.19	1.06 ± 0.14
Life is good^b	3.30 ± 0.28	3.23 ± 0.28	4.10 ± 0.24	4.23 ± 0.24	3.62 ± 0.20	3.40 ± 0.21	3.35 ± 0.25	3.08 ± 0.23
Mood swings	1.09 ± 0.06	1.1 ± 0.06	1.58 ± 0.25	1.58 ± 0.25	1.12 ± 0.06	1.04 ± 0.03	1.25 ± 0.11	1.20 ± 0.11
Muscle twitch	1.08 ± 0.05	1.19 ± 0.08	1.06 ± 0.05	1.06 ± 0.05	1.04 ± 0.03	1.06 ± 0.04	1.03 ± 0.03	1.10 ± 0.06
Talkative	1.46 ± 0.11	1.40 ± 0.12	1.67 ± 0.16	1.71 ± 0.19	1.65 ± 0.13	1.60 ± 0.14	1.75 ± 0.18	1.55 ± 0.13
Queasy^b	1.04 ± 0.04	1.04 ± 0.03	1.10 ± 0.07	1.04 ± 0.03	1.02 ± 0.02	1.04 ± 0.03	1.03 ± 0.03	1.03 ± 0.03
Heart racing	1.02 ± 0.02	1.1 ± 0.05	1.23 ± 0.09	1.23 ± 0.09	1.08 ± 0.05	1.17 ± 0.09	1.03 ± 0.03	1.15 ± 0.09
Can’t sit still	1.15 ± 0.05	1.48 ± 0.19	1.48 ± 0.21	1.60 ± 0.24	1.35 ± 0.11	1.46 ± 0.13	1.13 ± 0.07	1.48 ± 0.14
Ear ringing^c	1.09 ± 0.05	1.04 ± 0.04	1.31 ± 0.15	1.31 ± 0.15	1.08 ± 0.05	1.10 ± 0.04	1.00 ± 0.00	1.05 ± 0.05
Energetic^b	1.94 ± 0.2	1.90 ± 0.2	2.34 ± 0.28	2.60 ± 0.31	2.02 ± 0.19	1.96 ± 0.18	1.83 ± 0.19	1.68 ± 0.15
Stomachache^b	1.1 ± 0.06	1.02 ± 0.02	1.21 ± 0.12	1.08 ± 0.05	1.10 ± 0.06	1.1 ± 0.05	1.10 ± 0.06	1.08 ± 0.06
Strong^a^,^b^,^c	2.56 ± 0.24	2.52 ± 0.25	2.96 ± 0.30	2.92 ± 0.28	2.42 ± 0.23	2.25 ± 0.22	1.76 ± 0.18	1.33 ± 0.10
Sweaty^a^,^b^,^c	1.1 ± 0.07	1.06 ± 0.03	1.08 ± 0.04	1.23 ± 0.05	1.23 ± 0.08	1.19 ± 0.08	1.08 ± 0.04	1.13 ± 0.09
Shaky	1.2 ± 0.07	1.23 ± 0.07	1.23 ± 0.1	1.52 ± 0.20	1.10 ± 0.05	1.19 ± 0.08	1.15 ± 0.07	1.33 ± 0.14
Sleepy^c	1.6 ± 0.14	1.71 ± 0.15	1.48 ± 0.18	1.44 ± 0.18	1.35 ± 0.17	1.48 ± 0.18	1.93 ± 0.18	2.18 ± 0.20
Tired^b	1.62 ± 0.14	1.75 ± 0.15	1.71 ± 0.20	1.73 ± 0.20	1.56 ± 0.13	1.65 ± 0.11	2.10 ± 0.16	2.30 ± 0.17

Data are shown as pre and post caffeine administration. presented as means ± SEMs.

^{^a}

Significant interaction between caffeine treatment and pre/post (P < .05).

^{^b}

Significant interaction between caffeine treatment, pre/post, gender, and pubertal group (P < .05).

^{^c}

Significant interaction between caffeine treatment, pre/post, and gender (P < .05).