feeble

Probably not. What do you mean?

Despite your use of 'respectively', the meaning of our sentence is not clear. I suggest you reword it.

CliveProbably not. What do you mean?

In a study, we investigated the effect of night shift work on psychomotro driving skills of nurses. We examined how night work affect the their normal physiological cycle, and this is a part of the result.

CliveDespite your use of 'respectively', the meaning of our sentence is not clear. I suggest yo

I don't know what word you need, but it's not feeble. Can you think of another word for what you want to say?

fivejedjonI don't know what word you need, but it's not feeble. Can you think of another word for what you want to say?

I need a word for "a person with no energy".

Here are some possibilities: listless, tired, worn out, exhausted.

Night- shift nurses were 73.9% inflexible and %82.6 feeble and day-shift nurses were 98.5% inflexibleand %87.5 feeble, with regard to circadian rhythm and amplitude.

You are writing some of your percentages incorrectly. The % sign always comes after the number.

By 'inflexible', do you mean 'resistant to chang

CliveCan you really measure feebleness and inflexibility so precisely?

I made a big mistake in writing this sentence. The percentages are related to people. I rewrote the sentence. Would you please give your comments?

"Night and day shift nurses reported 30.4% and 16.7% traffic accidents during the past year, respectively. 73.9% of the night- shift nu

Your sentence is better.
But I'm not clear about what you mean by 'inflexible'. And I don't know how you determine that someone is inflexible or listless. I hope your context makes this clear.